Mason Lamar Williams

Mason Lamar Williams
Mason L. Williams in 2005
Born	(1943-01-20)January 20, 1943 San Mateo, California
Died	June 28, 2021(2021-06-28) (aged 78) San Jose, California
Alma mater	University of Southern California, California Institute of Technology
Occupation(s)	Engineer, Physicist
Spouse	Phyllis A. Worthington
Awards	IEEE Reynold B. Johnson Information Storage Device Technology Award,[1] 2007 IEEE Magnetics Society Distinguished Lecturer[2] 2006 IBM Master Inventor 2001 Fellow Institute of Electrical and Electronics Engineers 1999

Mason Lamar Williams III (January 20, 1943 – June 28, 2021) was an engineer and physicist, noted for his contributions in the areas of magnetic recording and data storage on hard disk drives (HDD).^[3][1][2][4] A large part of his career was with the IBM Almaden Research Center in San Jose, California. After retiring, Williams played a major role in the restoration and demonstration of the IBM RAMAC at the Computer History Museum in Mountain View, California^[5]