 )Pioneering efforts in Heating, Ventilating and Air Conditioning by the Holly division ultimately resulted in the development of [|Heat Exchanger technology for commercial and residential climate control.Lear Siegler was created as a result of a merger between the Siegler Corporation (Los Angeles) and Lear Avionics Inc. (Santa Monica) that was concluded in 1961, though leadership was substantially from the Siegler side of the merger.Initially, Brooks was Chairman of the Board of the new corporation and Albert G. Handshumaker (from Lear) was the president, although Brooks resumed the duties and both titles within the next several years and held both until his death in 1971.