Songwriter and singer best known as the co-writer with Otis Blackwell "Great Balls Of Fire". In 1956 he made his first recording. He has recorded albums on Warwick and Polydor, before moving to Europe. Hammer recorded several singles and an LP for the Belgian Ronnex label.1961 he had minor in Europe "Kissin' Twist", sold well especially in Germany, Belgium and France.
Jack Hammer has written songs for Jerry Lee Lewis ("Milkshake Mademoiselle"), Big Danny Oliver ("Sapphire"), The Impacts ("Croc-o-doll") and The Cadillacs ("Peek-a-Boo").
Soft Cell covered "Down In The Subway" in their 1984 single and Marc Almond has sung live few of his compositions, "Switchblade Operator" and "Mean And Evil Me".
Not to be confused with the Jack Hammer who recorded on Milestone (this in fact was a pseudonym for rockabilly/country singer Werly Fairburn).