Raymond Pettibon

artist

Ray Lewis

football-player

Randy Pausch

professor

Zig Ziglar

author

Richard Lugar

former-member-of-the-united-states-senate

Richard Koch

author

Rhett Miller

singer

Renzo Gracie

mixed-martial-artist

Reid Hoffman

entrepreneur

Roger Caillois

author

Rodney Brooks

roboticist

Robert Lowell

poet

Roma Downey

actress

Rosario Dawson

actress

Ronnie James Dio

vocalist

Ronnie Coleman

bodybuilder

Ronald Biggs

actor

Romario

footballer

Jim Murphy

Diego Costa