Richard Davis (Double Bass)
Richard Davis is an American jazz bassist. Among his best-known contributions to the albums of others are Eric Dolphy's Out to Lunch!, Andrew Hill's Point of Departure, and Van Morrison's Astral Weeks, of which critic Greil Marcus wrote (in The Rolling Stone Illustrated History of Rock and Roll), "Richard Davis provided the greatest bass ever heard on a rock album."
Read more at https://en.wikipedia.org/wiki/Richard_Davis_(bassist)