Alton Glen "Glenn" Miller (March 1, 1904 – disappeared December 15, 1944; declared dead December 16, 1945) was an American big band conductor, arranger, composer, trombone player, and recording artist before and during World War II, when he was an officer in the US Army Air Forces. His civilian band, Glenn Miller and His Orchestra was one of the most popular and successful bands of the 20th century and the big band era. His military group, the Major Glenn Miller Army Air Forces Orchestra, was also popular and successful. .
https://en.wikipedia.org/wiki/Glenn_Miller