This recent tribute to pianist Mel Powell, who enjoyed a brilliant jazz career in the 1940s before working primarily in an academic classical realm for the rest of his life, is now up for online listening:
Jazz Mission: Mel Powell in the 1940s
... Powell also made several fine jazz albums for the Vanguard label in the mid-1950s that may be the subject of a future program. The 1940s offered so much musical ground to cover that I decided to stick to that particular decade for this episode.