Nobel Prize Winners: 1 medicine
(medicine) Gregg L. Semenza   2019  
Notable Actors and Entertainers: 3 actors
Gregg Henry   1952-  
Monica Potter (middle name Gregg)   1971-  
Gregg Sulkin   1992-  
Notable Musicians: 1 musician
Gregg Allman   1947-2017  
Rock and Roll Hall-of-Famers: 2 musicians
Gregg Allman   1995   The Allman Brothers Band  
Gregg Rolie   1998; 2017   Santana; Journey