His profession as a geologist brought him to Tucson for work during graduate school in the fifties and he later returned with his wife Cynthia to retire and bask in the beauty of the mountains.
Hal was born in Northampton, Massachusetts in 1930 and attended Williston Academy, now known as the Williston-Northampton School. He graduated from Amherst College following four years of service in the U.S. Navy during the Korean War. Hal went on to complete both an M.S. Degree and a Ph.D. in geology at the University of Cincinnati where he was awarded two National Science Foundation Fellowships. Later, Hal was honored with membership in the scientific research society Sigma Xi.
He then worked as Senior Research Scientist for P.P.G. Industries for 34 years. He worked in the research facility in Barbarton, Ohio, and then for the last six years of his career in Monroeville, Pa. Research expeditions in Sierra Leone and Greenland were highlights of his career.
He retired to Tucson, Arizona , with his wife Cynthia in 2002. As avid hikers, Hal and Cynthia enjoyed many adventures with their children and grandchildren, as well as numerous off-road geological expeditions with family and friends in his Jeep Wrangler. He was an active member of the Arizona Geological Society. He loved Tucson, the Santa Catalina Mountains, and the wildlife.
Hal was pre-deceased by his mother, Doris McKelligott Bohmer; his father, Harold Bohmer Sr.; and his brother, the Rev. Karl Bohmer.
Hal is survived by his loving wife of 53 years, Cynthia; as well as his three daughters, Lisa Bohmer of Los Angeles, Calif. (Worku Nida), Diana Carson of Lexington, Mass. (Jon Carson), and Katie Grandy of Redwood City, Calif. (Jim Grandy); as well as four grandchildren, Mikael, Ian, Owen and Claire Halle.