Dean Eastman, director of Argonne from 1996-1998 and professor emeritus at the University of Chicago, died on March 4, 2018, at the age of 78. His tenure at the lab saw the Advanced Photon Source begin its operations and the Gammasphere (part of the Argonne Tandem Linac Accelerator System) make its first move from Lawrence Berkeley National Laboratory to Argonne.

After receiving three degrees from the Massachusetts Institute of Technology, Eastman had a successful career as a research physicist with IBM, working at the Thomas J. Watson Research Center in Yorktown Heights, New York. He became a world-renowned expert on the electronic properties of materials and spectroscopy and vice president of technical strategy and development reengineering, IBM Server Group.

His passion for building and architecture led to his restoration of Frank Lloyd Wright’s Avery Coonley House in Riverside, Illinois. Eastman self-published “Frank Lloyd Wright’s Coonley House Estate: An Unabridged Documentary,” a book detailing the restoration.

Born in Oxford, Wisconsin, Eastman grew up in the Upper Peninsula of Michigan.

He was a member of the National Academy of Sciences, the National Academy of Engineering, the American Academy of Arts and Sciences, and an honorary member of the American Institute of Architects.

He is survived by his wife and two brothers.