Dean Martin was born Dino Paul Crocetti in Ohio, USA on June 7, 1917, and passed away on Christmas Day 1995. He is one of the most popular and enduring American entertainers of the mid-20th century, nicknamed "The King of Cool", he gained his career breakthrough together with comedian Jerry Lewis in 1946.
Following an acrimonious ending of the partnership in 1956, Martin pursued a solo career as a performer and actor. He established himself as a world famous singer, recording numerous contemporary songs as well as standards from the Great American Songbook. He became one of the most popular acts in Las Vegas and was known for his friendship with fellow artists Frank Sinatra and Sammy Davis Jr., who together with several others formed the Rat Pack.
Here's a video from his long running US TV show.