J. Michael Clinch, Ph.D., age 90, died peacefully at his home in Tucson on, Sun. Dec. 12, 2021 after a year-long battle with cancer. His wife, Patricia, was by his side. Michael was born, raised, and educated in the UK. After completing his National Service in the RAF, he continued his education earning and MS and PhD in Physics at the University of London. He began his long & varied career in the US at Illinois Institute of Technology working on space-related projects, and in the areas of biomedical research. Later, he managed energy-related research projects in industry, at Argonne National Laboratory, and the Gas Research Institute in Illinois. As a retiree, Michael loved living in Tucson. He enjoyed the outdoors, playing tennis, exploring the desert Southwest, and traveling to be with family and friends. Michael's family wishes to thank Casa de la Luz and Bayada Home Healthcare for their skilled care and caring support.