Leon Knopoff 01-07-1925 20-01-2011 Karl Friedrich Knorre 09-04-1801 10-09-1883 12-05-1848 Associate George Knott 30-10-1835 08-10-1894 09-11-1860 Fellow Harold Knox-Shaw 12-10-1885 11-04-1970 14-02-1908 Fellow Hermann Albert Kobold 05-08-1858 11-06-1942 14-06-1912 Associate Zdenek Kopal 04-04-1914 23-06-1993 10-01-1936 Fellow Demetrius Kotsakis 09-05-1986 13-12-1957 Fellow Michael Stephanovitch Kovalenko 20-11-1888 02-04-1954 09-11-1928 Fellow Marian Albertovich Kowalksi (Kovalsky) 15-08-1821 09-07-1884 13-11-1863 Associate Egbert Adriaan Kreiken 01-11-1896 16-08-1964 08-02-1929 Fellow Sir Harry Kroto 13-05-2016 11-02-2005 Honorary Fellow Carl Nicolaus Adalbert Krueger 03-12-1832 21-04-1896 10-01-1879 Associate Boris Vasilievich Kukarkin 30-10-1909 15-09-1977 11-04-1958 Associate Friedrich Küstner 22-08-1856 15-10-1936 10-11-1899 Associate Comte Eugène Aymar de La Baume Pluvinel 06-11-1860 18-07-1938 08-02-1895 Fellow Richard Ladd 05-11-1848 03-05-1887 09-11-1883 Fellow William Ladd 16-04-1885 12-04-1867 Fellow Rev. Thomas Laing 10-12-1930 08-05-1914 Fellow Sir Horace Lamb 27-11-1849 04-12-1934 14-02-1919 Fellow Carlton John Lambert 22-08-1844 06-11-1921 08-04-1870 Fellow Col William Lambton 23-01-1823 10-01-1823 Fellow Johann von [John] Lamont 13-12-1805 06-08-1879 12-05-1837 Associate Samuel Pierpont Langley 22-08-1834 27-02-1906 09-11-1883 Associate Marq. Pierre Simon de Laplace 28-03-1749 05-03-1827 11-01-1822 Associate Ernest Ralph Lapwood 11-04-1984 08-10-1948 Fellow George Darley Lardner 21-08-1818 14-01-1902 08-02-1895 Fellow Sir Joseph Larmor 11-07-1857 19-05-1942 10-02-1899 Fellow William Lassell 18-06-1799 05-10-1880 14-06-1839 Fellow Paul Auguste Ernest Laugier 22-12-1812 05-04-1872 12-05-1848 Associate Philip Stevenson Laurie 18-07-1913 23-08-1982 13-10-1944 Fellow John Laver 07-06-1863 13-02-1925 08-02-1924 Fellow Henry Lawson 23-03-1774 22-08-1855 14-06-1833 Fellow David Le Conte 20-03-1940 11-08-2020 09-07-1993 Urbain Jean Joseph Le Verrier 11-03-1811 23-09-1877 08-01-1847 Associate Arthur Herbert Leahy 25-05-1857 16-05-1928 09-11-1888 Fellow Rev. Thomas Henry Leale 01-02-1913 12-01-1906 Fellow Richard Charles Maurice Learner 09-02-1935 23-12-2000 12-01-1973 Fellow Francis Preserved Leavenworth 03-09-1858 12-11-1928 09-06-1922 Fellow Georges Lecointe 29-04-1869 27-05-1929 10-06-1921 Associate Rev. Edmund Ledger 18-12-1913 11-02-1876 Fellow M-Gen. Henry Herbert Lee 12-03-1920 14-06-1907 Fellow John Lee 28-04-1783 25-02-1866 14-05-1824 Fellow Thomas Lee 24-01-1892 13-06-1856 Fellow Edward Herbert Lees 08-03-1856 30-06-1921 08-01-1892 Fellow Rev. Frederick Clare Lees 15-08-1871 09-04-1925 08-11-1918 Fellow Dr John Rudd Leeson 06-01-1854 23-10-1927 08-12-1911 Fellow Adrien-Marie Legendre 18-09-1752 10-01-1833 11-05-1832 Associate Inge Lehmann 13-05-1888 21-02-1993 10-01-1936 Fellow, later Associate James Leigh 01-06-1838 12-09-1894 10-03-1882 Fellow Maurice Egerton Leigh-Hunt 01-06-1871 15-09-1917 11-04-1913 Fellow Col. Charles Leigh-Lye 27-01-1861 12-12-1926 10-06-1904 Fellow Georges Lemaître 17-07-1894 20-06-1966 08-05-1931 Fellow, later Associate Henry Alfred Lenehan 29-08-1843 02-05-1908 12-01-1894 Fellow Frederick Charles Leonard 12-03-1896 23-06-1960 14-01-1916 Fellow William Lethbridge 20-02-1825 31-03-1901 09-02-1855 Fellow William Garrow Lettsom 14-12-1887 13-04-1849 Fellow Armin Otto Leuschner 16-01-1868 22-04-1953 08-04-1938 Associate Frederick William Levander 20-12-1916 10-03-1871 Fellow Arthur Everard Levin 17-02-1872 08-11-1939 14-01-1921 Fellow Thomas Lewis 12-06-1856 05-06-1927 12-12-1884 Fellow William James Lewis 16-01-1847 16-04-1926 14-02-1873 Fellow Thomas Leybourn 09-04-1770 01-03-1840 08-02-1820 Fellow David Nelson Limber 25-05-1928 16-04-1977 11-12-1953 Fellow Bertil Lindblad 26-11-1895 25-06-1965 12-04-1933 Associate Adolph Friedrich Lindemann 13-05-1846 25-08-1931 14-02-1873 Fellow Baron Bernhard August von Lindenau 11-06-1779 21-05-1854 08-04-1825 Associate Eric Mervyn Lindsay 26-01-1907 27-07-1974 14-01-1938 Fellow Earl James Ludovic Lindsay (Crawford-Balcarres) 28-07-1847 31-01-1913 13-01-1871 Fellow Edward Hubert Linfoot 08-06-1905 14-10-1982 12-01-1940 Fellow Capt. Arthur Lister-Kaye 12-05-1834 05-12-1893 10-11-1882 Fellow Louis Stromeyer Little 23-11-1840 04-10-1911 12-01-1877 Fellow John Edensor Littlewood 09-06-1885 06-09-1977 10-01-1919 Fellow Johann Joseph von Littrow 13-03-1781 30-11-1840 09-11-1821 Associate Karl Ludwig von Littrow 18-07-1811 16-11-1877 08-04-1853 Associate George Henry Livens 10-10-1886 26-03-1950 08-02-1924 Fellow James Lockhart 26-07-1763 06-01-1852 11-11-1836 Fellow Sir Joseph Norman Lockyer 17-05-1836 16-08-1920 14-03-1862 Fellow Lady Mary Thomazine Lockyer 09-09-1943 12-01-1923 Fellow William James Stewart Lockyer 03-01-1868 15-07-1936 10-12-1897 Fellow Bt Edmund Giles Loder 07-08-1849 14-04-1920 13-11-1874 Fellow Maurice Loewy 15-04-1833 15-10-1907 12-11-1886 Associate Arthur William Long 11-04-1874 15-09-1939 14-01-1921 Fellow Isaac Waithman Long 29-05-1860 14-12-1849 Fellow Frederick William Longbottom 07-03-1933 09-06-1905 Fellow Gertrude Longbottom 20-03-1935 12-05-1916 Fellow Henry Curwen Lord 17-04-1866 15-09-1925 11-06-1897 Fellow Augustus Edward Hough Love 17-04-1863 05-06-1940 14-06-1907 Fellow Ernest Frederick John Love 31-10-1861 09-03-1929 12-02-1897 Fellow Sir Bernard Lovell 31-08-1913 06-08-2012 Fellow Col. Arthur Swann Howard Lowe 04-12-1826 04-08-1888 09-01-1857 Fellow Edward Joseph Lowe 11-11-1825 10-03-1900 14-01-1848 Fellow Bt John William Lubbock 26-03-1803 20-06-1865 11-04-1828 Fellow Friedrich Wilhelm Hans Ludendorff 26-05-1873 26-06-1941 10-06-1932 Associate Rev. Robert Comyn Lumsden 25-10-1880 10-05-1861 Fellow Knut Emil Lundmark 14-06-1889 23-04-1958 12-05-1922 Fellow, later Associate Eduard Luther 24-02-1816 17-10-1887 11-11-1864 Associate Carl Theodor Robert Luther 16-04-1822 15-02-1900 09-06-1854 Associate Thomas Edward Lutz 20-11-1940 20-02-1995 11-02-1977 Fellow Willem Jacob Luyten 07-03-1899 21-11-1994 12-03-1920 Fellow Donald Lynden-Bell 05-04-1935 05-02-2018 11-11-1960 Fellow 
