List of Famous people born in United States of America

Ralph Thomas Walker FAIA was an American architect, president of the American Institute of Architects and partner of the firm McKenzie, Voorhees, Gmelin; and its successor firms Voorhees, Gmelin & Walker, Voorhees, Walker, Foley & Smith; Voorhees, Walker, Smith & Smith; and Voorhees, Walker, Smith, Smith & Haines. Walker is best known for his designs for the Barclay–Vesey Building (1922–26) and 1 Wall Street (1928–31), but was also involved in numerous other Art Deco telecommunications buildings in the New York City area.

Ralph Teetor was a prolific inventor who invented cruise control. He was the longtime president of the automotive parts manufacturer The Perfect Circle Co. in Hagerstown, Indiana, a manufacturer of piston rings.

Ralph Steiner was an American photographer, pioneer documentarian and a key figure among avant-garde filmmakers in the 1930s.

Ralph Murphy was an American film and television director. Born in Rockville, Connecticut, Murphy was active in films from 1931 through 1962, with some work in television. From 1941–44 he was married to Gloria Dickson, whom he directed in I Want a Divorce.

Ralph Guggenheim is an American video graphics designer and film producer. He won a Producers Guild of America Award in 1995 for his contributions to the film Toy Story.

R. Adam Engle is an American social entrepreneur who initiated and developed the Mind and Life Dialogues between the 14th Dalai Lama of Tibet and panels of prominent scientists in the 1980s. Over the 22 years of his subsequent tenure as chief executive of the Mind and Life Institute, which he co-founded in 1990, his work contributed significantly to the establishment of contemplative science as a new field of research.

Lawrence Watt-Evans is one of the pseudonyms of American science fiction and fantasy author Lawrence Watt Evans.

Stacy Barthe is a Haitian American songwriter and singer from Brooklyn, New York City.

Peter Thomas Barton is an American retired actor. He starred in The Powers of Matthew Star, with Louis Gossett Jr.; Burke's Law with Gene Barry; and the soap opera Sunset Beach. Named one of the 10 sexiest guys in soaps by Playgirl, Barton is probably best known as Scott Grainger on the daytime drama The Young and the Restless.