Wally Bill Hedrick (1928 in Pasadena, California – December 17, 2003 in Bodega Bay, California) was a seminal American artist in the 1950s California counterculture, gallerist, and educator who came to prominence in the early 1960s. Hedrick’s contributions to art include pioneering artworks in psychedelic light art, mechanical kinetic sculpture, junk/assemblage sculpture, Pop Art, and (California) Funk Art.