Scientists 249 / 298
Ronald Graham (1935)
Ronald Greeley (1939)
Ronald Jensen (1936)
Ronald Mallett (1945)
Ronald Milne (1957)
Ronald Montagu Burrows (1867)
Ronald N. Bracewell (1921)
Ronald N. Hartman (1935)
Ronald Ross (1857)
Ronald T. Raines (1958)
Ronald W. Davis (1941)
Ronald W. Jones (1931)
Ronald W. Yeung (1945)
Ronald Weitzer (1952)
Ronnie Bell (1907)
Ronny Reich (1947)
Roos Vonk (1960)
Rosalie Edge (1877)
Rosalind Franklin (1920)
Rosaly Lopes-Gautier (1957)
Rosalyn Sussman Yalow (1921)
Roscoe G. Dickinson (1894)
Roscoe Pound (1870)
Ross Granville Harrison (1870)
Ross H. McKenzie (1960)
Ross J. Anderson (1956)
Ross Overbeek (1949)
Rostislav Grigorchuk (1953)
Roswell Clifton Gibbs (1878)
Roy Baumeister (1953)
Roy Cameron (1899)
Roy Daniells (1902)
Roy Ellen (1947)
Roy Gibson (1924)
Roy Gordon Grainger (1962)
Roy Grounds (1905)