John Tracy Kidder (writer of nonfiction)

John Travolta

John Philip Sousa

Philip Seymour Hoffman..Late American Actor

Dustin Hoffman

Dustin Aaron Moskovitz, cofounder of Facebook

Aaron Copland

Henry Louis "Hank" Aaron..Late famous baseball player

Henry VIII

Henry Winkler..The Fonz

Henry David Thoreau (writer, essayist, poet, naturalist)

David Lee Roth

Lilian Roth. A famous singer and actress.

Lillian Roth's name was spelled with 2 'ls"..thus..
Lillian Hellman.. Late writer and Novelist

Chia, thank you for that correction.  I should be more careful.

Martin Edward Hellman

He is a well-known cryptographer who, along with two others, invented the first practical public key cryptography used in the public domain (as opposed to classified). 

Stephen Glenn "Steve" Martin..American Actor, Comedian, Writer

Stephen Fry

Stephen Sondheim

Stephen Hawking

Stephen Tyrone Colbert ..American Television Personality

Stephen Moyer.  tv Actor

Stephen Weaver Collins, American Acto

Jacqueline Ruth Weaver known as Jacki Weaver  An Australian actor.

Ruth Westheimer ("Dr. Ruth")

Joel Westheimer     An education columnist for CBC Radio and professor of democracy and education. (Dr. Ruth's son)

William Martin "Billy" Joel.. American Entertainer

William Holden

William Shatner..

William Shakespeare