Education
He studied Greek and drama at the University of Chicago, he moved to Washington District of Columbia, in 1902, where he worked in business.
He studied Greek and drama at the University of Chicago, he moved to Washington District of Columbia, in 1902, where he worked in business.
In 1908, he went to New York to study music Heinrich moved back to Washington and in 1913 joined the United States Department of Agriculture. He initially worked on applied entomology but later switched to specialise in the study of Lepidoptera.
He was editor of the Proceedings of the Entomological Society of Washington from 1924 to 1926.