John Daniel Hruza, 74, of Pamplin, VA, died August 15, 2012. He was born in Green Bay, Wisconsin, on March 12, 1938, a son of the late Erma Loose and Daniel Hruza.

John attended MIT, the University of Colorado at Denver, and Regis University. He was a Marine Reserve Gunnery Sargent and a member of St. Anne’s Episcopal Church. John was a noted electronic test equipment engineer and a pioneer in the electronic data processing field. He was an avid gun collector, a ham radio operator, and a lifelong learner. John believed “specialization is for insects”, he wasn’t defined by work or education but rather lived his life as a free thinker.

He is survived by his lifelong companion, Cora Cobb; three sons, Steven Hruza of Oregon, Karl Hruza of Colorado, and Eric Hruza of Martinsville; and six grandchildren. He was preceded in death by his loving wife, Helen Louise Hruza.