Weldon Leo "Jack" Teagarden (August 20, 1905–January 15, 1964), known as "Big T", was an influential jazz trombonist, bandleader, composer, and vocalist. Details siehe: http://en.wikipedia.org/wiki/Jack_Teagarden
Filmed as part of the TV special "International Hour - American Jazz" at the Civic Opera House in Chicago in 1963.