Background
Mcconnell, Robert Darll was born on March 30, 1889 in Montrose, Colorado, United States. Son of Charles E. and Coie (Earll) Mcconnell.
Mcconnell, Robert Darll was born on March 30, 1889 in Montrose, Colorado, United States. Son of Charles E. and Coie (Earll) Mcconnell.
Student of University of Colorado, 1905-1907. Columbia University, 1910 (Engineer of Mines).
Assistant engineer Chino Copper Company, 1910-1911. Superintendent various mines, 1911-1915. Examining engineer S. W. Mudd & Associates, 1915-1917.
Mining engineer, 1920-1931. Partner Foster McConnell & Company (mems. New York Stock Exchange), 1922-1931.
President and director Centrifugal Pipe Corporation, Mayflower Associates, Inc., Mayflower Consol, Inc., 1924-1939. President and director Pilgrim Exploration Company, 1937-1947. Director Rhokana Corporation, Cyprus Mines Corporation, Hazeltine Corporation, Esterbrook Steel Pen Manufacturing Company, Simmons Company, Fohs Oil Corporation.
Business adviser to Department of Commerce, September 1939-August 1940. Consultant Office of Production Management, March 1941-March 1942. Appointed by Secretary of Treasury of the United States and Alien Property Custodian as Chairman of the Board and president General Aniline & Film Corporation, March 1942-July 1943.
Consultant, Treasurer Department, Washington, District of Columbia, 1943-1944. Deputy, Civil Affairs Division, War Department, April-December 1945. Mayor Town of Jupiter Island, Hobe Sound, Florida, 1955-1961.
Member board of trustees Robert Earll McConnell Foundation. Served as Lieutenant, United States Navy Reserve, 1917-1919. Member American Institute Mining and Metallurgical Engineers, Mining and Metallurgical Society American, Delta Tau Delta, Sigma Xi.
Clubs: Links, Recess, Blind Brook, Seminole.
Married Caryll N. Esterbrook, December 28, 1918. Children: Mildred, Robert, Elizabeth, Richard, Caryll.