"McMaster, Harold A."@en . "Harold A. McMaster (July 20, 1916 \u2013 August 25, 2003) was an inventor with over 100 patents and entrepreneur who founded four companies. Fortune Magazine called him \"The Glass Genius\". He also worked on developing commercial-scale solar cell technology, and developed a new type of engine, the \"McMaster Rotary Engine.\"McMaster was an inventor early on. His father gave him a set of tools at age 6."@en . . "American physicist" . . "1916-07-20Z"^^ . "2020Z"^^ . "2003Z"^^ . . "Harold A. McMaster"@en . "1925Z"^^ . "2003-08-25Z"^^ . . "2020-07-16Z"^^ . "1925-08-03Z"^^ . "1916Z"^^ . . . . .