Shark attack, 1971-07-19 (Unprovoked)
Location: Point Purisima, Santa Barbara County, California, USA
Activity: Hookah diving (submerged)
Victim: Kenneth Gray (M, age )
Injury: Major injuries to head, buttocks & back
Fatal: N
Species: White shark, 5.5 m to 6 m [18' to 20'] 
Source: D. Miller & R. Collier, R. Collier, pp.51-52; J. McCosker & R.N. Lea