Robert O. Blood was born on 1887-11-10.
Robert O. Blood died on 1975-08-03.
John von Neumann's blood type was O positive
Robert O. Becker was born in 1923.
Robert O. Smith was born in 1942.
Robert O. Bowen was born in 1920.
Robert O. Blake was born in 1921.
Robert O. Fink was born in 1905.
Robert O. Marshall was born in 1939.
Robert O. Fisch was born in 1925.
Robert O. Wilson was born in 1906.
Robert O. Binnewies was born in 1937.
Robert O. Ragland was born in 1931.