John W. Gruner

Background

Gruner, John W. was born on July 12, 1890 in Neurode, Germany. Son of Robert and Minna (Wolf) Gruner.

Education

Came to the United States, 1912, naturalized, 1921. Bachelor of Arts, University of New Mexico, 1917. Master of Science, University of Minnesota, 1919, Doctor of Philosophy, 1922.

Student (in sabbatical leave) University of Leipzig, Germany, 1926-1927.

Career

Assistant professor of geology Oregon School of Mines, 1919-1920. Instructor University of Minnesota, 1920-1923, assistant professor geology and mineralogy, 1923-1928, associate professor, 1928-1943, professor from 1943. Geologist State geological Survey of Minnesota, summers 1919-1943 (except 1927, 38).

Consultant mineralogist and geologist to industrial concerns and United States Signal Corps.

Consulting mineralogist to Atomic Energy Commission.

Achievements

• John W. Gruner has been listed as a noteworthy mineralogist, geologist. by Marquis Who's Who.

Membership

Fellow Geological Society American, Mineral. Society American (vice president 1943, president 1948), Society Economics Geologists. Member Crystallographic Society American (president 1947-1948), Geophysical Union, American Gem Society, Sigma Xi.

Connections

Married Opal Garrett, April. Children: Wayne Robert, Hazel (Mistress Don Hudson), Garrett.

Father:

Robert Gruner

Mother:

Minna (Wolf) Gruner

Spouse:

Opal Garrett

child:

Wayne Robert Gruner

child:

Hazel Gruner (Mistress Don Hudson)

child:

Garrett Gruner