Environmental Research Institute of Michigan

The Environmental Research Institute of Michigan (ERIM) was a research institute at Ann Arbor, Michigan, founded in 1972. The institute contributed to the development of remote sensing, radar, and holography.

ERIM grew out of a military and environmental research arm of the University of Michigan. A for-profit enterprise, ERIM International, split off from it in 1997. This was successively acquired by Veridian Corporation, by General Dynamics - moving to Ypsilanti - and in 2014 by MacDonald, Dettwiler and Associates (MDA). Meanwhile, the remaining non-profit portion became the Altarum Institute in 2001. Part of Altarum was in 2006 merged into the Michigan Tech Research Institute (MTRI), conducting environmental and remote sensing research, while health systems research continues at Altarum Institute.

The Environmental Research Institute of Michigan (ERIM) began as Willow Run Laboratories in 1946, but was established as a private not for profit research institute when it formally separated from the University of Michigan in 1972. ERIM contributed to the development of remote sensing for environmental and military applications. Much of the laboratory's early history is not publicized because ERIM and its predecessor organizations were developing remote sensing and surveillance systems to collect military intelligence from aircraft and satellites.

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