*1932 US
A.k.a. Robert Gregg Koester
Robert Gregg "Bob" Koester (born October 30, 1932) is the American founder and owner of Delmark Records, the oldest jazz and blues independent record label in the United States, and one of jazz's best-known imprints. He also operates the Jazz Record Mart in Chicago, which is the world's largest jazz and blues record store.