Stephen Hawking.  Physicist,scientist.

Stephen Breyer..American Supreme Court Justice

Stephen Hendry...
...was the youngest professional snooker player in 1985 aged 16, and in 1990 he was the youngest-ever snooker World Champion at the age of 21...He won the World Championship seven times...

Jim Hendry was VP/General Manager of the Chicago Cubs from 1995 to 2011.

Jim Henson

Jim Harrison

Harrison Ford American Actor

Ford Madox Ford     English novelist, poet, critic and editor

Tennessee Ernie Ford Late American Entertainer who had a rich voice making the song "16 tons" one of the biggest hits for that time

Thomas Lanier "Tennessee" Williams III...

...1911 â€" 1983...American playwright... Along with Eugene O'Neill and Arthur Miller he is considered among the three foremost playwrights in 20th-century American drama..

Nicholas Lanier - English composer and musician

Nicholas Charles Sparks - writer, screenwriter, producer

Nicolas de Staël - painter

Nicolas Cage...

...of Captain Corelli's Mandolin (film) fame...

Nicholas John "Nick" Frost , English actor, comedian. Currently he is in this season's Into the Badlands.

Nicolas Millot French Composer

Bubble's name of "Nicolas" de Staël - painter..did not follow the spelling of the previous name "Nicholas" Sparks..also her spelling of Nicolas Millot French Composer is not following the previous spelling of nicholas... 
Nick Nolte..American Actor

Nicholas John "Nick" Frost does not follow the spelling of Nicolas Cage...
if you want to point out discrepancies...

The discrepancies as I see them:..your name Nicolas de Staël did not follow the spelling of previous Nicholas sparks..which threw the next person off with "Nicolas" Cage..which threw the next person off with "Nicholas" John "Nick" Frost..which threw your name of Nicolas Millot French Composer off...and I followed with Nick Nolte which would have been correct after Nicholas John "Nick" Frost whew...for the nicholas' and nicolas'.....but..as I understand it, your name should follow the same as the name that proceeded yours..

Nick Adams. American film and television actor.

Douglas Adams, author.

John Adams...Second President of the United States

John Forbes Nash Jr.      (mathematician)

Frederic Ogden Nash Late American Poet

Mary Nash. An American actress.

Mary Louise "Meryl" Streep

Mary Tyler Moore An American Actress

Bonnie Tyler, singer

Bonnie Langford...
...English actress, dancer and entertainer...

Frances Langford Late American Singer