Dr. Frank Marion Wanlass (May 17, 1933 in Thatcher, AZ, – September 9, 2010 in Santa Clara), CA, was an American electrical engineer. He obtained his PhD from the University of Utah. He invented CMOS logic circuits in 1963 while working at Fairchild Semiconductor. He was given for "Low Stand-By Power Complementary Field Effect Circuitry" in 1967.