William Petty 1623-1687 / by Norman D. McMillan -- Robert Boyle 1627-1691 / by D. Thorburn Burns -- William Molyneux 1656-1698 / by Patrick Wayman and Norman D. McMillan -- Nicholas Callan 1799-1864 / by Niall E. McKeith -- William Parsons, Earl of Rosse 1800-1867 / by Bob Strunz -- Humphrey Lloyd 1800-1881 / by James G. O'Hara -- Thomas Grubb 1800-1878 and Howard Grubb 1844-1931 / by Andrew Whitaker -- William Rowan Hamilton 1805-1865 / by John J. O'Connor and Edmund F. Robertson -- James MacCullagh 1809-1847 / by James G. O'Hara -- Thomas Andrews 1813-1885 / by D. Thorburn Burns -- George Gabriel Stokes 1819-1903 / by Alastair Wood -- John Tyndall 1820-1893 / by Norman D. McMillan -- Samuel Haughton 1821-1897 / by Norman D. McMillan -- William Thomson, Lord Kelvin 1824-1907 / by Mark McCartney -- George Johnstone Stoney 1826-1911 / by James G. O'Hara -- George Francis FitzGerald 1851-1901 / by John J. O'Connor and Edmund F. Robertson --John Joly 1857-1933 / by Denis Weaire and Stephen Coonan -- Joseph Larmor 1857-1942 / by Raymond Flood -- Frederick Thomas Trouton 1863-1922 / by James G. O'Hara -- John Sealy Edward Townsend 1868-1957 / by Mark McCartney -- John A. McClelland 1870-1920 / by Thomas C. O'Connor -- Erwin Schrodinger 1887-1961 / by Andrew Whitaker -- Cornelius Lanczos 1893-1974 / by Barbara Gellai -- John Synge 1897-1995 / by Petros S. Florides -- John Desmond Bernal 1901-1971 / by Roy Johnston -- Ernest Walton 1903-1995 / by Brian Cathcart -- Walter Heitler 1904-1981 / by David Glass -- Sir William McCrea 1904-1999 / by Iwan Williams -- Cormac O Ceallaigh 1912-1996 / by Mark McCartney -- David Bates 1916-1994 / by Ray Flannery -- John Stewart Bell 1928-1990 / by Andrew Whitaker -- Lochlainn O Raifeartaigh 1933-2000 / by Siddhartha Sen -- Index of names.