Namesakes
Nobel Prize Winners:
1 physics
(physics) Richard Feynman (a.k.a. Phillips) 1965 
Notable Musicians:
2 musicians
Donovan (a.k.a. Phillips) 1946-
Laurie Anderson (a.k.a. Phillips) 1947-
Notable Scientists and Inventors:
1 physicist
Richard Feynman (a.k.a. Phillips) 1918-1988
Notable Writers:
1 author
H. P. Lovecraft (a.k.a. Phillips) 1890-1937
Olympic Medalists:
1 silver, 1 silver/gold
(silver/gold) John Naber (a.k.a. Phillips) 1976 swimming - 100 m backstroke; swimming - 200 m backstroke; swimming - 200 m freestyle; swimming - 4x100 m medley relay; swimming - 4x200 m freestyle relay
(silver) Phillips Idowu 2008 triple jump
Rock and Roll Hall-of-Famers:
1 musician
Donovan (a.k.a. Phillips) 2012