John Hammond may refer to: Arts and entertainment. John Hammond (record producer) (1910–1987), American record producer. John P. Hammond (born 1942), American blues guitarist, son of the record producer. John A. Hammond (1843–1939), Canadian painter. John Hammond (actor), lead actor in The Blue and the Gray miniseries (1982) John Hammond, film character in 31 North 62 East. John Hammond (Jurassic Park), a fictional character in the Jurassic Park series. Politics. John Hannam (died 1559), aka John Hammond. John Hammond (died 1589) (1542–1589), MP for Rye and West Looe.
https://en.wikipedia.org/wiki/John_Hammond