Herbert William Mullin was an American serial killer born on April 18, 1947 who operated in Santa Cruz, CA. 
Mullin was serving life in prison for 13 murders which he says he committed to prevent further natural disasters.  Mullin died of natural causes on August 18, 2022.


9" x 12" acrylic painting signed on the front, Mullin.
He has written, dated and signed again on the back, Herbert Wm. Mullin March 8, 2004 Monday. Cubic volume of earth - surface area of earth - approximations using solid geometry formulas.

Herbert Mullin Geometry Painting Signed Twice