On July 20, 1977, Gary Kellgren died aged 38. He was an audio engineer and co-founder of “The Record Plant” recording studios (with Chris Stone). He worked with musicians John Lennon, Ringo Starr, George Harrison, Mick Jagger, Ron Wood, Bill Wyman, Jimi Hendrix, B.B. King, Bobby Goldsboro, The Animals, Stevie Wonder, Carole King, Frank Zappa, Sly, and the Family Stone, Velvet Underground, Rod Stewart, Ravi Shankar, Keith Moon, CSNY, Barbra Streisand, and Neil Diamond. He also worked with producers Chas Chandler, Jack Douglas, Robert Margouleff, Phil Spector, Wes Farrell, Tom Wilson, and Bill Szymczyk.