Frank's 100th Birthday Born Francis Albert Sinatra (Frank) was a Jazz and popular music writer composer and singer oh yes i forgot to add actor producer and director i think you can safely say he had it in bucket loads. Frank was one of the most influential artists in the 20th centuary he sold more than 150 million records world wide. Frank was proberly best known for being part of the Rat Pack with Sammy Davisjnr Dean Martin the ones we all know but there was also another two who were Joey Bishop and Peter Lawford.