Background
Longyear, Robert Davis was born on July 11, 1892 in Petoskey, Michigan, United States. Son of Edmund Joseph and Nevada (Patten) Longyear.
geologist corporation executive
Longyear, Robert Davis was born on July 11, 1892 in Petoskey, Michigan, United States. Son of Edmund Joseph and Nevada (Patten) Longyear.
Bachelor of Arts, Williams College, 1914. Master of Arts, University Wisconsin, 1915. Postgraduate Stanford, 1915-1916, University of Minnesota, 1933.
Geologist exploration Falcombridge nickel mine, Sudbury, Ontario, 1916-1917. President East. J. Longyear Company, Minneapolis, 1923-1958, chairman, 1958-1970. Director Cascade Corporation, Kona Iron Company Mining machinery advising committee War Production Board, 1940-1945.
Member Greater Minneapolis Citizens League.
Honorary director Pillsbury-Waite Neighborhood Services. Second lieutenant, C.A.C., United States Army, 1918.
Member Greater Minneapolis Citizens League. Member American Institute Mining, Metallurgical and Petroleum Engineers (past director Society Mining Engineers), Canada Institute Mining and Metallurgy, Minneapolis Chamber of Commerce, Diamond Core Drill Manufacturers Association (past president), also fraternity Beta Theta Pi. Clubs: Minneapolis, Engineers (Minneapolis).
Married Barbara Elizabeth Lyon, December 3, 1918. Children: Roanne Elizabeth (Mistress B. C. Corbus, Junior.