Who wrote the song now or never?

The song "Now or Never" was written in 1960 by Aaron Schroeder and Wally Gold. The song was originally recorded by Elvis Presley in April of that year and was released as a single on July 5, 1960. It became one of Presley's most successful songs, reaching number one on the Billboard Hot 100 chart and staying there for five weeks. The song has been covered by numerous artists, including Frank Sinatra, Dean Martin, and Sammy Davis Jr.