Editing General Dynamics (section)

===Management churn===
Hopkins fell seriously ill in 1957 and was eventually replaced by Frank Pace later that year.<ref name="centennial_GD" /> Meanwhile, John Naish succeeded Joseph McNarney as president of Convair. Chicago industrialist [[Henry Crown]] became the company's largest shareholder and merged his [[Material Service Corporation]] with GD in 1959.<ref name="henrycrown">{{Cite book |first=Stewart |last=Alsop |title=America's Big New Rich |date=July 17, 1965 |publisher=The Saturday Evening Post}}</ref>

GD subsequently reorganized into Eastern Group in [[New York City]] and Western Group in [[San Diego]], [[California]], with the latter taking over all of the aerospace activities and dropping the Convair brand name from its aircraft in the process.<ref name="history2">{{cite book |author=Donald M. Pattillo |date=2001 |publisher=University of Michigan Press|title=Pushing the Envelope: The American Aircraft Industry |url=https://books.google.com/books?id=shwtKbTbEuEC&q=general+dynamics+reorganize+western+eastern+group&pg=PA225|pages=225, 226 |isbn=0472086715 |access-date=April 20, 2020}}</ref>

Frank Pace retired under pressure in 1962 and Roger Lewis, former Assistant Secretary of the Air Force and [[Pan American Airways]] CEO, was brought in as CEO. The company recovered, then fell back into the same struggles. In 1970, the board brought in [[McDonnell Douglas]] president [[David S. Lewis Jr.|Dave Lewis]] (no relation) as chairman and CEO, who served until retiring in 1985.<ref name="history1" />