Antoine Thomsond Abbadie 03-01-1810 19-03-1897 08-11-1895 Fellow Richard Abbatt 15-09-1884 08-02-1833 Fellow Cleveland Abbe 03-12-1838 28-10-1916 14-01-1876 Fellow Charles Greeley Abbot 31-05-1872 17-12-1973 08-06-1917 Associate George Ogden Abell 01-03-1927 07-10-1983 13-02-1970 Fellow Antonio Abetti 19-06-1846 20-02-1928 10-06-1921 Associate Giorgio Abetti 05-10-1882 24-08-1982 10-06-1932 Associate Sir William de Wiveleslie Abney 24-07-1843 02-12-1920 08-04-1870 Fellow Robert Morrison Abraham 08-03-1879 26-07-1943 03-11-1925 Fellow Rev. Daniel Ace 06-02-1813 27-08-1893 13-06-1879 Fellow Herbert Francis Acocks 09-10-1861 14-09-1921 14-03-1913 Fellow Harold William Acton 24-11-1889 14-12-1958 12-02-1915 Fellow Henry Bridger Adames 03-10-1882 09-12-1922 13-06-1902 Fellow Edgar Tarry Adams 08-12-1852 29-07-1926 08-02-1907 Fellow Rev. Edward Aurelius Adams 02-12-1836 07-09-1918 09-03-1883 Fellow Harold John Adams 20-01-1858 22-04-1930 10-02-1893 Fellow John Couch Adams 05-06-1819 21-01-1892 14-11-1845 Fellow Walter Sydney Adams 20-12-1876 11-05-1956 10-11-1905 Fellow, later Associate Alexander John Samuel Adams 03-01-1846 25-12-1914 13-01-1905 Fellow Charles Edward Adams 01-10-1870 31-10-1945 12-11-1909 Fellow John Robinson Airey 16-09-1937 12-06-1931 Fellow Sir George Biddell Airy 27-07-1801 02-01-1892 09-05-1828 Fellow David Aitken 16-05-1926 10-08-2021 12-12-1969 Fellow Robert Grant Aitken 31-12-1864 29-10-1951 13-06-1913 Associate Carl Theodor Albrecht 30-08-1843 31-08-1915 09-06-1905 Associate George Eric Deacon Alcock 28-08-1912 15-12-2000 10-01-1958 Fellow Hugh Lancelot Aldis 26-08-1870 18-07-1945 10-01-1896 Fellow William Steadman Aldis 10-02-1839 07-03-1928 13-03-1885 Fellow John William Aldridge 24-08-1824 11-12-1897 09-05-1890 Fellow Hannes Olof Gösta Alfvén 30-05-1908 02-04-1995 11-02-1966 Associate Akbar Ali 16-07-1906 07-02-1960 14-04-1939 Fellow John Derby Allcroft 19-07-1822 29-07-1893 13-01-1865 Fellow Ashton Charles Allen 06-01-1859 27-04-1945 10-01-1902 Fellow Clabon Walter Allen 28-12-1904 10-12-1987 10-01-1936 Fellow David Anthony Allen 30-07-1946 26-07-1994 08-01-1971 Fellow William Allen 29-08-1770 30-12-1843 09-06-1820 Fellow Rev. Francis Benjamin Allison 08-12-1919 12-11-1880 Fellow Thomas Allison 09-01-1926 10-12-1920 Fellow John Whitehouse Frederick Allnutt 31-05-1858 27-01-1894 09-12-1887 Fellow George (= Jiri) Alter 13-03-1891 31-10-1972 14-05-1937 Fellow Viktor Amazaspovich Ambartsumian 18-09-1908 12-08-1996 10-04-1953 Associate Giovanni Battista Amici 25-03-1786 10-04-1863 14-01-1825 Associate Joseph Supino Ancona 04-09-1819 16-07-1900 10-03-1854 Fellow Mark Anderson 12-02-1982 09-09-2022 11-12-2020 Fellow William Anderson 07-02-1870 28-03-1904 10-04-1896 Fellow Marie Henri Andoyer 01-10-1862 12-06-1929 13-11-1914 Associate Thomas Sanderson Angus 24-01-1851 05-03-1937 08-02-1924 Fellow Charles Anthony 10-10-1865 18-08-1949 11-01-1901 Fellow Jean François Arago 26-02-1786 02-10-1853 11-01-1822 Associate Friedrich Wilhelm August Argelander 22-03-1799 17-02-1875 14-01-1831 Associate Angus Armitage 19-07-1902 08-02-1976 10-01-1947 Fellow John Alexander Armstrong 25-11-1938 08-04-1927 Fellow Laike Asfaw 19-03-2020 08-02-2007 Fellow Rev. John Eyre Ashby 22-01-1820 22-12-1863 13-01-1843 Fellow Ernest Cuthbert Atkinson 22-06-1873 03-12-1940 09-12-1904 Fellow John Jepson Atkinson 12-12-1924 10-02-1899 Fellow Robert dEscourt Atkinson 11-04-1898 28-10-1982 14-01-1938 Fellow Rev. Henry Adams Sergison Atwood 13-01-1800 22-06-1877 09-11-1827 Fellow John James Aubertin 24-08-1900 11-01-1895 Fellow Georg Friedrich Julius Arthur Auwers 12-09-1838 24-01-1915 11-05-1866 Associate Ian Axford 02-01-1933 13-03-2010 10-04-1964 Fellow, later Associate Wilhelm Heinrich Walter Baade 24-03-1893 25-06-1960 09-04-1948 Associate Charles Babbage 26-12-1792 18-10-1871 08-02-1820 Fellow Harold Delos Babcock 24-01-1882 08-04-1968 09-06-1922 Fellow, later Associate Alexander Dallas Bache 19-07-1806 17-02-1867 12-04-1850 Associate Thomas William Backhouse 14-08-1842 13-03-1920 09-04-1873 Fellow Johan Oskar Backlund 28-04-1846 29-08-1916 09-12-1898 Associate Rev. John Mackenzie Bacon 19-06-1846 26-12-1904 10-02-1888 Fellow Arthur Henry Bagnold 18-03-1854 09-12-1943 09-12-1904 Fellow Rev. James Baikie 25-11-1866 05-02-1931 10-06-1892 Fellow Solon Irving Bailey 29-12-1854 05-06-1931 11-06-1915 Associate Edouard Benjamin Baillaud 14-02-1848 08-07-1934 12-06-1908 Associate Lieut. Charles William Baillie 26-06-1844 24-06-1899 10-01-1879 Fellow Arthur Baily 08-07-1858 08-02-1820 Fellow Francis Baily 28-04-1774 30-08-1844 08-02-1820 Fellow Arthur Henry Baker 28-04-1857 29-03-1913 09-11-1900 Fellow Henry Frederick Baker 03-07-1866 17-03-1956 08-04-1914 Fellow Hendrik Gerard van de Sande Bakhuyzen 02-04-1838 08-01-1923 10-11-1882 Associate Sir Robert Stawell Ball 01-07-1840 25-11-1913 12-03-1875 Fellow Dr Robert Ballard 30-07-1945 11-02-1927 Fellow Thaddeus Banachiewicz 13-02-1882 17-11-1954 10-05-1946 Associate Manali Kallat Vainu Bappu 10-08-1927 19-08-1982 14-12-1951 Fellow, later Associate John Thomas Barber 23-07-1825 25-03-1897 14-12-1849 Fellow Joseph Gurney Barclay 25-04-1898 14-12-1855 Fellow Arthur Kett Barclay 20-06-1806 20-11-1869 10-01-1845 Fellow Peter Barlow 13-10-1776 01-03-1862 09-01-1829 Fellow Rev. Henry Glanville Barnacle 24-08-1938 08-05-1874 Fellow Edward Emerson Barnard 16-12-1857 06-02-1923 13-01-1888 Fellow, later Associate Henry Osmund Barnard 27-02-1934 11-01-1901 Fellow William Barnett 09-08-1842 08-08-1921 10-02-1911 Fellow Charles Edward Barns 24-05-1937 11-01-1929 Fellow Manuel Gonçalves Pereira de Barros 29-05-1908 31-01-1971 14-03-1969 Fellow Francis Barrow 13-09-1888 11-11-1870 Fellow John D. Barrow 29-11-1952 26-09-2020 08-01-1982 Fellow Julius Bartels 17-08-1899 06-03-1964 13-04-1956 Associate Charles Barton 13-09-1892 12-03-1869 Fellow Clement Osborn Bartrum 06-10-1867 28-04-1939 13-02-1920 Fellow Capt. James Palladio Basevi 23-02-1832 17-07-1871 13-05-1864 Fellow Margaret M. Bassett [née Allen] 03-11-1974 11-05-1962 Staff John Bastin 03-01-1929 28-01-2018 10-05-1963 Fellow