1955 - Milwaukee DJ's surrounding Lawrence Welk.

standing, left side L-R: Fritz the Plumber, John "Madman" Michaels, Irv Miller
middle: Lawrence Welk
standing, right side L-R: Bob "Coffeehead" Larsen, Robb Thomas, Gordon Hinkley, Jack Denton
sitting L-R: Gerry Grainger, Jim "Shamus" O'Hara, unknown (record promoter), Tom Shannahan, Gene Edwards (WRIT PD)

Can anyone identify the unknown in the picture?  (email curator)