Roscoe Pound was born on 27 October 1870. He was American national and known as Scholar.
Rexford Tugwell was born on 10 July 1891. He was American national and known as Economist.
Robert Tarjan was born on 30 April 1948. He was American national and known as Computer scientist.
Ronald Graham was born on 31 October 1935. He was American national and known as Mathematician, Juggler, Computer scientist.
Rudolf E. Kálmán was born on 19 May 1930. He was American national and known as Mathematician, Engineer, University teacher.
Renée French was born on 15 November 1963. He was American national and known as Writer.
Raymond Smullyan was born on 25 May 1919. He was American national and known as Mathematician, Pianist, Philosopher, University.
Raj Chetty was born on 04 August 1979. He was American national and known as Economist, University teacher.
Robert Coppola Schwartzman was born on 24 December 1982. He was American national and known as Actor.
