Frank Sinatra was a late, great crooner who was one of the most influential musical artists of the 20th century. He was known for his smooth, powerful voice and his signature style of singing, which made him one of the most popular singers of all time. His career spanned over six decades and he won numerous awards, including 11 Grammy Awards and an Academy Award. He was also a successful actor, appearing in over 60 films. Sinatra's influence on popular music is still felt today and he is remembered as one of the greatest singers of all time.