You are at the section Science and Tech Birthdays a2z
Last Updated 01-01-2020
-- b.3/15/1713 N.S. d.3/21/1762 N.S. (49)Astronomer, FrenchMisc: stargazer; noted for his catalogue of nearly 10,000 southern stars
-- b.4/13/1901 d.9/9/1981 (80)Scientist, Psychoanalyst, French
Charles La Condamine
-- b.1/28/1701 N.S. d.2/13/1774 N.S. (73)Explorer, Geographer, Mathematician, French
-- b.2/4/1863 d.3/12/1948 (85)Scientist, Geologist, French
-- b.7/2/1842 d.8/15/1911 (69)Chemist, German
René Theophile Hyacinthe Laennec
-- b.2/17/1781 d.8/13/1826 (45)Inventor, Physician, FrenchMisc: invented the stethoscope
Oliver Hazzard Perry La Farge
-- b.12/19/1902 d.8/2/1963 (60)Author, Anthropologist
-- b.8/29/1780 d.??/??/1826Adventurer, PirateMisc: b. ca 1776, d. ca. 1823
-- b.1/25/1736 N.S. d.4/10/1813 N.S. (77)Astronomer, Mathematician, ItalianMisc: Geometer
-- b.4/9/1834 d.8/14/1866 (32)Mathematician, FrenchMisc: Geometry founder
-- b.6/27/1880 d.6/28/1953 (73)Surgeon
-- b.11/17/1877 d.7/7/1963 (85)General, Army Officer, Aeronautical
-- b.12/27/1793 d.9/26/1826 (32)Explorer, Scottish
-- b.4/20/1793 d.10/18/1878 (85)Author, Psychiatrist
R. D. Laing
-- b.10/7/1927 d.8/23/1989 (61)Author, Psychiatrist, ScottishNames/Places: RFMN:Ronald DavidMisc: noted for his alternative approach to the treatment of schizophrenia.
-- b.11/9/1922 d.2/2/1974 (51)Philosopher, Scientist, Mathematician, Hungarian
-- b.9/4/1866 d.6/23/1945 (78)Architect, InventorMisc: he built the "Argonaut," the first submarine to operate extensively in the open sea.
-- b.7/12/1913 d.5/15/2008 (94)PhysicistMisc: atomics
Johann Heinrich Lambert
-- b.8/26/1728 N.S. d.9/25/1777 N.S. (49)Astronomer, Mathematician, Physicist, GermanMisc: method of measuring light intensity, pi is irrational.
-- b.7/22/1795 d.5/1/1870 (74)Engineer, Mathematician, French
-- b.10/23/1868 d.3/8/1946 (77)Engineer, EnglishMisc: built the first British gasoline automobile
Edwin H. Land
-- b.5/7/1909 d.3/1/1991 (81)Scientist, Inventor, Physicist, BusinesspersonMisc: Polaroid corp. founder, Polaroid camera, instant X-rays & picutres, 3-D movie projector, polaroid sunglasses, & 500+ patents
Lev D. Landau
-- b.1/22/1908 d.4/1/1968 (60)Scientist, RussianMisc: magnetism, liquid helium; predicted existence of neutron stars, 1962 Nobel
-- b.12/17/1821 d.3/2/1862 (40)General, Engineer
-- b.2/8/1804 d.2/6/1834 (29)Explorer, British
-- b.12/9/1961Chef, Actor, ProducerTV Shows: Dr. Quinn Medicine Woman (as Byron Sully), The Secret CircleMovie Titles: Star Trek IV: The Voyage Home, Bloodsuckers
-- b.3/27/1845 d.5/10/1917 (72)Physician, FrenchMisc: tuberculosis
-- b.6/14/1868 d.6/26/1943 (75)Scientist, Immunologist, Pathologist, Physician, Austrian
Jonathan Homer Lane
-- b.8/9/1819 d.5/3/1880 (60)Astronomer, AstrophysicistMisc: was the first to investigate mathematically the Sun as a gaseous body. His work demonstrated the interrelationships of pressure, temperature, and density inside the Sun and was fundamental to the emergence of modern theories of stellar evolution.
-- b.10/9/1833 N.S. d.10/2/1895 N.S. (61)Engineer, GermanMisc: pioneered in building internal-combustion engines.
-- b.1/23/1872 d.12/19/1946 (74)Physicist, FrenchMisc: X-rays, radiation, sound detection system for submarines
Samuel Pierpont Langley
-- b.8/22/1834 d.2/27/1906 (71)Astronomer, Aviator, PhysicistMisc: aeronautics pioneer who contributed to the knowledge of solar phenomena as related to meteorology and built the first heavier-than-air flying machine to achieve sustained flight.
-- b.1/31/1881 d.8/16/1957 (76)Scientist, Chemist, Engineer, PhysicianMisc: colloid researcher Nobel 1932
-- b.12/25/1810 d.10/6/1895 (84)Scientist, Clergyman, TeacherMisc: apiarist; considered the Father of Beekeeping
Sir Edwin Lankester
-- b.5/15/1847 N.S. d.8/13/1929 N.S. (82)Scientist, Naturalist, Zoologist, English
Aaron "Bunny" Lapin
-- b.1/5/1914 d.7/10/1999 (85)InventorMisc: Reddi-Wip whipped cream founder and inventor
Pierre S. Laplace
-- b.3/23/1749 N.S. d.3/5/1827 N.S. (77)Astronomer, Mathematician, Physicist, French
-- b.6/30/1893 d.3/24/1950 (56)Scientist, EnglishMisc: political
-- b.6/18/1799 N.S. d.10/5/1880 N.S. (81)Astronomer, EnglishMisc: discoverer of satellites of Uranus and Neptune
Lewis H. Latimer
-- b.9/4/1848 d.12/11/1928 (80)Scientist, Engineer
-- b.11/14/1807 N.S. d.4/15/1853 N.S. (45)Chemist, FrenchMisc: advanced knowledge of the structure of organic compounds.
Eugene Augustin Lauste
-- b.1/17/1857 d.6/27/1935 (78)Inventor, FrenchMisc: Talking Picture, the first sound-on-film recording
Charles Louis Laveran
-- b.6/18/1845 d.5/18/1922 (76)Bacteriologist, Physician
-- b.8/26/1743 N.S. d.5/8/1794 N.S. (50)Scientist, Chemist, FrenchNames/Places: NN:The Father of Modern Chemistry
-- b.8/12/1895 d.7/1/1982 (86)SurgeonMisc: the world's first kidney transplant performer
Charles Lanier Lawrance
-- b.9/30/1882 d.6/24/1950 (67)Aeronautical, EngineerMisc: designed the first successful air-cooled aircraft engine, used on many historic early flights.
Ernest Orlando Lawrence
-- b.8/8/1901 d.8/27/1958 (57)Inventor, PhysicistMisc: Nuclear Physicist; Cyclotron-Nobel 1939
John H. Lawrence
-- b.1/7/1904 d.9/7/1991 (87)ScientistMisc: examined effect of neutron radiation on fabric
-- b.1/6/1960 N.S.Chef, Journalist, Personality, EnglishBook Titles: How to EatTV Shows: Nigella Bites, The Taste, Nigella Kitchen
-- b.5/2/1866 d.9/26/1900 (34)Physician
Louis Seymour Bazett Leakey
-- b.8/7/1903 d.10/1/1972 (69)Scientist, Anthropologist, Archaeologist, EnglishMisc: his fossil discoveries in East Africa proved that man was far older than had previously been believed and that human evolution was centred in Africa, rather than in Asia, as earlier discoveries had suggested.
-- b.2/6/1913 d.12/9/1996 (83)Scientist, Archaeologist, Palentologist, British
Richard E. Leakey
-- b.12/19/1944Anthropologist, Archaeologist, Politician, KenyanNames/Places: Louis & Mary's son
William Powell Lear
-- b.6/26/1902 d.5/14/1978 (75)Engineer, ManufacturerMisc: chairman of Lear Jet Corp.; also developed the 8-track stereo tape player for autos.
-- b.7/28/1957Inventor, Actress, Producer/DirectorTV Shows: Baa Baa Black Sheep (as Nurse Susan), CHiPs (as Off. Sindy Cahill)
Dr. Timothy Francis Leary
-- b.10/22/1920 d.5/31/1996 (75)Philosopher, Psychologist, Professor, Movie ActorMisc: Conception Date:1/17/1920. ex-drug Advocate; Doctor?
-- b.6/28/1875 d.7/26/1941 (66)Mathematician, French
-- b.12/6/1742 N.S. d.1/16/1806 N.S. (63)Chemist, Inventor, Surgeon, FrenchMisc: discovered how to manufacture soda from common salt
-- b.5/29/1767 d.12/1/1804 (37)Chemist, Engineer, FrenchMisc: inventing illuminating gas
-- b.10/6/1887 d.8/27/1965 (77)Architect, Inventor, SwissNames/Places: RN:Charles Edouard JeanneretMisc: invented Reinforced Concrete
-- b.5/23/1925 d.2/2/2008 (82)Scientist, MicrobiologistMisc: microbal genetics and artifical intelligence
-- b.3/7/1862 d.7/28/1937 (75)InventorMisc: pioneered playgrounds for kids
-- b.9/14/1981 N.S.Novelist, Cookbook Writer, ChefNames/Places: Billy Joel's ex-wifeTV Shows: The Kitchen
-- b.7/3/1966 N.S.Chef, PersonalityTV Shows: Semi-Homemade Cooking with Sandra Lee, Sandra's Money Saving Meals
-- b.12/17/1842 d.2/18/1899 (56)Mathematician, NorweiganMisc: He largely created the theory of continuous symmetry and applied it to the study of geometry and differential equations.
-- b.11/24/1926Physicist, Chinese
-- b.??/??/1583 d.??/??/1610Inventor, ClergymanMisc: devised the first stocking frame knitting machine in 1589; d. in 1614?
Ludovic "Ludo" Lefebvre
-- b.4/18/1971 N.S.Author, Chef, Restaurateur, Personality, French
-- b.9/18/1752 N.S. d.1/10/1833 N.S. (80)Mathematician, FrenchMisc: elliptic integrals
-- b.10/4/1865 d.8/22/1917 (51)Scientist, Archaeologist, French
-- b.5/12/1886 d.5/7/1937 (50)Aeronautical, Engineer, GermanMisc: Hidenberg commander
-- b.4/9/1928 N.S.Mathematician, Songwriter, Pianist, Novelty SingerMisc: Professor of Math at HarvardSong Titles: The Old Dope Peddler, Hanukkah in Santa Monica, That's Mathematics, New Math, The Vatican Rag, Who's Next?, I Got It From Sally, Poisoning Pigeons in the Park, Masochism Tango, A Christmas Carol, The Elements, Pollution, Be Prepared, Bright College DaysAlbum Titles: That Was the Year That Was, Songs by Tom Lehrer, More of Tom Lehrer, Tom Lehrer Revisited, An Evening Wasted with Tom LehrerTV Shows: The Electric Company (writer of ten songs)
-- b.9/9/1823 d.4/30/1891 (67)ZoologistMisc: one of the most distinguished and versatile scientists in the United States, who made important contributions to the fields of comparative anatomy, parasitology, and paleontology.
-- b.4/17/1881 d.5/21/1969 (88)Scientist, British
Sir William Leishman
-- b.11/6/1865 d.6/2/1926 (60)Pathologist, Physician, ScottishMisc: Typhoid fever vaccine
-- b.6/13/1926 d.4/3/1994 (67)Pediatrician, Geneticist, FrenchMisc: discovered the chromosome that causes Down syndrome.
-- b.2/16/1843 d.3/26/1932 (89)Engineer, Inventor, BusinesspersonMisc: formed the Lincoln Motor Company; also founded Marques and Cadillac luxury automobile companies
-- b.9/6/1906 d.12/2/1987 (81)Chemist, FrenchMisc: Argentine biochemist who won the Nobel Prize for Chemistry in 1970 for his investigations of the processes by which complex carbohydrates are broken down into simple sugars.
Pierre Le Monnier
-- b.11/20/1715 N.S. d.4/3/1799 N.S. (83)Astronomer, French
Pierre Le Moyne
-- b.7/16/1661 N.S. d.7/9/1706 N.S. (44)Soldier, Explorer, Governor, FrenchMisc: sieur d'Iberville; Louisiana Territory founder 1703; death date of July 9, 1706 is probable
-- b.6/7/1862 d.5/20/1947 (84)Physicist, British
Pierre Charles L'Enfant
-- b.8/2/1754 N.S. d.6/14/1825 N.S. (70)Architect, Revolutionary, Engineer, FrenchMisc: responsible for the city layout of Washington
-- b.1/12/1822 d.8/4/1900 (78)Inventor, BelgiumeseNames/Places: FN:Jean JosephMisc: made the first practical gas engine
-- b.5/30/1934 N.S. d.10/11/2019 N.S. (85)Cosmonaut, RussianMisc: the first man to climb out of a spacecraft in space.
-- b.12/23/1810 d.7/10/1884 (73)Scientist, Archaeologist, German
Robert Le Tourneau
-- b.11/30/1888 d.6/1/1969 (80)Engineer, BusinesspersonMisc: a prolific inventor of earthmoving machinery.
-- b.10/7/1822 d.2/6/1898 (75)Zoologist
-- b.2/25/1869 d.9/6/1940 (71)Chemist, RussianMisc: nucleic acids
Urbain Jean Joseph Leverrier
-- b.3/11/1811 d.9/23/1877 (66)Astronomer, FrenchMisc: Neptune co-discoverer
-- b.7/31/1919 d.4/11/1987 (67)Author, Chemist, ItalianBook Titles: Survival in Aushchwitz
-- b.11/28/1908 d.10/30/2009 (100)Writer, Anthropologist, Ethnologist, Belgiumese
-- b.8/10/1900 d.10/18/1987 (87)Scientist
-- b.4/27/1892 d.3/1/1977 (84)Psychiatrist
-- b.9/15/1886 d.12/15/1971 (85)Engineer, Mathematician, FrenchMisc: theory of probability
-- b.4/10/1857 d.3/13/1939 (81)Philosopher, Anthropologist, French
-- b.9/9/1890 d.2/12/1947 (56)Psychologist
Isaac Newton Lewis
-- b.10/12/1858 d.11/9/1931 (73)Army Officer, InventorMisc: best known for the Lewis machine gun, widely used in World War I and later.
-- b.8/18/1774 d.10/11/1809 (35)ExplorerMisc: leader of the Lewis & Clark exploring team; NOT to be confused with the Lois and Clark Superman team
-- b.10/2/1906 d.6/24/1969 (62)Author, Scientist, GermanMisc: rockets & space travel studier
C. H. Li
-- b.4/21/1913 d.11/28/1987 (74)Scientist, Chinese
Willard Frank Libby
-- b.12/17/1908 d.9/8/1980 (71)Chemist, Inventor, EducatorMisc: carbon-14 "atomic clock" (Nobel 1960)
-- b.4/1/1910 d.2/16/2001 (90)PsychiatristMisc: best known for his articles and books on the causes of schizophrenia and on psychotherapy with schizophrenic patients.
-- b.3/18/1798 d.10/2/1872 (74)Writer, Philosopher, Scientist, ProfessorMisc: political
-- b.5/23/1848 d.8/10/1896 (48)Aeronautical, Engineer, German
-- b.10/10/1895 d.3/26/1976 (80)Author, Writer, Inventor, Chinese
Anne Morrow Lindbergh
-- b.6/22/1906 d.2/7/2001 (94)Author, Aviator, AmericanNames/Places: b. in Englewood, N.J.; Charles' wife
Charles Augustus Lindbergh
-- b.2/4/1902 d.8/26/1974 (72)Author, AviatorNames/Places: b. in Detroit; NN:Lucky Lindy; d. in HawaiiMisc: WWI Pilot; the first to fly solo across the Atlantic Ocean
-- b.5/23/1707 N.S. or 5/12/1707 J-LD or 5/12/1707 Ju-1 or 5/13/1707 J-Sw d.1/10/1778 N.S. (70)Scientist, Botanist, Naturalist, Physician, Zoologist, SwedishNames/Places: RN:Carl von Linne; NN:The father of modern systematic botanyMisc: Carolus Linnaeus was born in 1701 on May 13 Swedish Style calendar, or May 12 Julian-1 or Julian-LD calendar, or May 23 Gregorian calendar.
James Harvey Linsley
-- b.5/5/1787 d.12/26/1843 (56)Naturalist, Clergyman
-- b.5/27/1947 d.7/8/2015 (68)ScientistMisc: one of the world's leading experts in personal exposure to toxins.
-- b.6/12/1899 d.7/24/1986 (87)Scientist, Biochemist, American, German
-- b.8/16/1845 N.S. d.7/13/1921 N.S. (55)Inventor, Physicist, FrenchMisc: inventor of color photography Color photography
-- b.12/9/1919 d.4/14/2011 (91)Chemist
Sir Joseph Lister
-- b.4/5/1827 N.S. d.2/10/1912 N.S. (84)Scientist, Physician, Surgeon, EnglishMisc: Introduced antiseptic measure use in surgery; 1st Baron of Lyme Regis; wanted to name a U.S. coin mint after him: The Lister...mint? (GROAN)
Arthur D. Little
-- b.12/15/1863 d.8/1/1935 (71)Chemist, InventorMisc: patented rayon
-- b.3/19/1813 d.5/1/1873 (60)Explorer, Physician, Missionary, ScottishMisc: found by Stanley in Africa
-- b.8/29/1632 J-LD d.10/28/1704 J-LD (72)Philosopher, Physician, EnglishNames/Places: b. in Somerset
-- b.10/9/1852 d.4/9/1884 (31)Soldier, ExplorerMisc: Arctic explorer discovered Lockwood Island, the northernmost point of land
Joseph Norman Lockyer
-- b.5/17/1836 d.8/16/1920 (84)Astronomer, BritishMisc: discovered Helium in the sun/founded Nature magazine
-- b.4/7/1859 N.S. d.2/11/1924 N.S. (64)Scientist, Physiologist, Biographer, American, GermanMisc: biophysiologist
-- b.6/3/1873 d.12/25/1961 (88)Scientist, German
-- b.11/5/1893 d.7/14/1986 (92)Engineer, Inventor, FrenchMisc: Father of Streamlining; toothbrushes, razors, furniture, Coca Cola Bottle, Studebaker auto, etc.
-- b.11/18/1836 d.10/19/1909 (72)Scientist, Criminologist
-- b.11/8/1711 O.S. or 11/19/1711 N.S. d.4/4/1765 O.S. (53) or 4/15/1765 N.S.Scientist, Russian
Dr. Crawford W. Long
-- b.11/1/1815 d.6/16/1878 (62)PhysicianMisc: the first physician to use ether as anesthetic in surgery
-- b.12/30/1784 d.9/4/1864 (79)Engineer, Explorer
Alfred Lee Loomis
-- b.11/4/1887 d.8/11/1975 (87)Scientist, Physicist, Physicist, Attorney/Lawyer, Philanthropist, BankerMisc: a pioneer in military radar usages
-- b.8/7/1811 d.8/15/1889 (78)Mathematician, Physicist
-- b.7/21/1826 d.10/13/1886 (60)Dentist, InventorMisc: the inventor of artificial teeth
Hendrick A. Lorentz
-- b.7/18/1853 d.2/4/1928 (74)Physicist, Dutch (Netherlands)Misc: L transformation/Nobel 1902
-- b.11/7/1903 d.2/27/1989 (85)Scientist, AustrianMisc: Animal behavior studies; Nobel 1973
-- b.2/29/1936Astronaut, PoliticianMisc: ex-space shuttle
-- b.12/10/1815 N.S. d.11/27/1852 N.S. (36)Writer, Mathematician, English
William Lovelace II
-- b.12/30/1907 d.12/12/1965 (57)PhysicianMisc: made contributions to aerospace medicine
Sir Bernard Lovell
-- b.8/31/1913 d.8/6/2012 (98)Astronomer, EnglishMisc: the force behind the world's first major radio telescope in 1957.
-- b.3/25/1928AstronautNames/Places: RFMN:James A.Misc: Gemini 7, 12, Apollo 8, 13
-- b.1/5/1910 d.12/28/1949 (39)Surgeon, Runner, Olympic Athlete, New ZealandMisc: Olympic-gold-1936; athlete famous for an unexpected victory in the 1,500-metre (metric-mile) race in the 1936 Olympic Games. The world record he set on that occasion--3 min 47.8 sec--endured until 1941.
-- b.6/10/1926 d.7/17/1984 (58)ScientistMisc: leader of the NASA Apollo program
Edward H. Lowe
-- b.7/10/1920 d.10/4/1995 (75)InventorMisc: Kitty Litter
-- b.8/20/1832 d.1/16/1913 (80)Aeronautical, Balloonist, InventorMisc: Artifical ice machine maker
-- b.3/13/1855 d.11/12/1916 (61)AstronomerMisc: Planet observer; predicted the discovery of Pluto
-- b.1/14/1943Astronaut, Biochemist, Chinese
-- b.10/19/1862 d.4/10/1954 (91)Inventor, Producer/Director, FrenchMisc: cinematograph; made first movie, "Workers Leaving the Lumiere Factory".
Louis Jean Lumiere
-- b.10/5/1864 N.S. d.6/7/1948 N.S. (83)Inventor, Cinematographer, FrenchMisc: photography pioneer, with brother Auguste, patented the Cinematographe, the first motion picture machine; made first motion picture in 1895. d. Jun 7?
-- b.1/11/1759 d.??/??/1806Aviator, Balloonist, Italian
-- b.9/19/1655 d.3/12/1721 (65)Astronomer, Mathematician, Physicist, Scholar
-- b.5/8/1902 d.9/30/1994 (92)Biologist
-- b.9/13/1836 d.8/23/1901 (64)Inventor
Sir Charles Lyell
-- b.11/14/1797 d.2/22/1875 (77)Geologist, ScottishNames/Places: NN: The Father of Modern Geology
Helen Merrell Lynd
-- b.3/17/1896 d.1/30/1982 (85)Sociologist, Educator
-- b.9/26/1892 d.11/1/1970 (78)Scientist, Sociologist
-- b.4/6/1911 d.8/6/1979 (68)Scientist, Biochemist, GermanMisc: cholesterol research
-- b.2/18/1988 N.S.Chef, Restaurateur, ActorTV Shows: All That