Richard K. Guy was born in 1916.
Richard K. Guy has written: 'Unsolved problems in number theory'
Richard K. Olney was born in 1947.
Richard K. Morgan was born in 1965.
Richard K. Spottswood was born in 1937.
Richard Guy Condon was born in 1952.
Richard Guy Wilson was born in 1940.
Richard K. Davidson was born on January 9th, 1942.
Richard K. Call was born on 1792-10-24.
Richard K. Sutherland was born on 1893-11-27.
Richard K. Sorenson was born on 1924-08-28.
Richard K. Wilson was born on 1959-03-23.
Richard K. Diran was born on 1949-11-03.