H. BARRETT PENNELL JR., 82, a journalist and advertising executive, died July 19, 2016. He was a member of Delta Kappa Epsilon and served in the U.S. Army. At Wesleyan he hosted a classical music radio show, wrote for the Argus, and edited the yearbook. An avid photographer, he was a newspaper reporter and then worked at Curtis Publishing and TV Guide, where he was head of advertising promotion. His work was published in magazines, including the Saturday Evening Post. After his retirement, he was an active community volunteer. Among those who survive are his wife, Janet Davidson Pennell, and two daughters.

WILLIAM D. SHEPHARD, 84, professor of physics at the University of Notre Dame, died July 28, 2017. A member of Chi Psi, he received his degree with high honors and was elected to both Phi Beta Kappa and Sigma Xi. He received master’s and PhD degrees in physics at the University of Wisconsin. He then went to the University of Kentucky and in 1963 joined the faculty at the University of Notre Dame. At Notre Dame he co-founded the Notre Dame High Energy Elementary Particle Physics group, which carried out experiments at Argonne National Laboratory, Brookhaven National Laboratory, Fermilab, and CERN over the years, resulting in more than 200 refereed publications and 90 published papers in conference proceedings. He was a Fulbright senior research scholar and a guest professor in the Netherlands, and was a co-organizer of several international symposia on multiparticle dynamics. His first wife, Barbara Ann Parker Shephard, died. Survivors include his second wife, Nancy Kavadas Shephard, two stepchildren, seven grandchildren, and a nephew.

ALAN F. FLYNN JR., a teacher and headmaster, died Aug. 30, 2017. He was 85. A member of Beta Theta Pi, he received a master’s degree from Trinity College. He also studied at the University of Hawaii’s East-West Center and the International Christian University in Tokyo. In 1954 he joined the U.S. Marine Corps and retired as a First Lieutenant. He later taught at the Canadian Academy in Kobe, Japan, where he met his wife and where his children were born. Returning to the United States, he taught Japanese history and was head of Kingswood-Oxford Middle School in West Hartford, Conn. He then became headmaster of the Rocky Hill School in East Greenwich, R.I., where the Alan F. Flynn Academic Center was built and dedicated in his honor. From 1992 to 1998 he was the headmaster of St. Michael’s School Country Day School in Newport, R.I. In addition to traveling, he was active in Rotary and was a charter member of a special group that was dedicated to bringing clean water, health, and literacy to Cambodia. He is survived by his wife, Emiko Tanaka Flynn; two children, including Sarah A. Flynn ’90; and five grandchildren.

CHARLES B. CHADWICK, 82, a sales executive, died Feb. 18, 2015. He was a member of Psi Upsilon and received his degree with honors. He was the son of Howard B. Chadwick of the class of 1930 and the brother of Benjamin B. Chadwick of the class of 1958. A U.S. Army veteran, he served in intelligence operations and medaled in international swimming competitions. His business career started in the advertising department at Continental Can, which had acquired his grandfather’s firm, the Benjamin Betner Bag Company. He then moved to Wyeth as a medical writer and eventually to Handgards, a startup that went on to become one of the world’s largest makers of plastic gloves. Survivors include four children, including Charles B. Chadwick Jr. ’83; nine grandchildren; two stepchildren; his first wife, Elinor Huston Chadwick; his second wife, Cheryl Chadwick; two brothers; and several nieces and nephews, including Laura C. Chadwick ’84.

SARGENT BRADLEE JR., an entrepreneur, died July 26, 2017. He was 87. A member of Chi Psi, his college career was interrupted by the Korean War. After serving his tour of duty in France, he returned to complete his degree at Harvard University. For many years he owned and operated the Winter Hill Package Store in Somerville, Mass., and was proud of his involvement with LifeRamp, a product designed to assist first responders in water rescues. Predeceased by his wife, Sally Humason Bradlee, he is survived by two children, four grandchildren, and two sisters.

JOHN M. OLSON, 87, a scientist and professor of photosynthesis, died July 21, 2017. A member of the John Wesley Club, he received his degree with high honors and with distinction in physics. He was elected to Phi Beta Kappa and to Sigma Xi. After receiving his PhD from the University of Pennsylvania, he joined the faculty at Brandeis University until leaving for a position at Brookhaven National Laboratory. He collaborated internationally and discovered the Fenna-Matthews-Olson (FMO) protein, by which green bacteria use sunlight. He also taught at Odense University (now the University of Southern Denmark) and received a Danish cross medal from the Queen of Denmark. His interests included classical music, books, sailing, and airplanes. He also sang in choirs and occasionally preached. In retirement he was a food bank volunteer, active in Five College Learning in Retirement, and was a member of the League of Women Voters. His first wife, Caroline Claypool Olson, died. Among those who survive are his second wife, Betty Schaffer Olson, three children, five grandchildren, one great-grandchild, and a sister.

HAROLD W. “Bill” JOHNSON, who retired from E.R. Squibb & Sons, LLC, died Sept. 26, 2017, at age 89. He was a member of Chi Psi and served in the U.S Army during the Korean War. On leaving active service he transferred to the Army Reserve, in which he served for many years, retiring as a Colonel. He joined E.R. Squibb in 1955 as a sales representative and spent 18 years in various sales and sales management positions in the New York area before continuing his career with Squibb in Florida. His wife, Nancy Cullin Johnson, predeceased him, as did a cousin, Donald C. Abbott ’48. Two sons, two grandchildren, three great-grandchildren, and his sister survive.

SPENCER L. PLEHATY, a senior systems engineer with Norden, a division of United Aircraft Corp., and a consultant, died Aug. 4, 2017. He was 92. A member of Delta Kappa Epsilon, he served in the U.S. Navy during World War II, after which he joined the Naval Reserve and retired as a Lieutenant Commander in 1970. He was an applied physicist with the U.S. Naval Ordnance Lab and then joined Norden. He was active in the Darien, Conn., town meeting for many years. His brother, Carl W. Plehaty Jr. ’41, predeceased him. A nephew, a sister-in-law, and several cousins survive.

ROBERT P. FOSTER JR., 93, a retired senior consultant at Prudential Insurance, and adviser to the president on special projects, died Oct. 12, 2017. He was the grandson of Addison B. Poland of the class of 1872, the son of Robert P. Foster of the class of 1921, and the nephew of John S. Foster of the class of 1922. A member of Eclectic, he entered Wesleyan with the class of 1945 but interrupted his college career to join the U.S. Army, where he served in the inspector general’s office at American headquarters in Heidelberg, Germany. He returned to Wesleyan and received his degree in mathematics in 1947. Starting as an analyst at Prudential in 1947, he rose through the ranks, retiring in 1985. He particularly enjoyed his involvement in the transition through the 1960s and 1970s from hand-managed to computer-processed insurance operations. Among those who survive are his wife, Sally Ann Bianchi Foster, three children, seven grandchildren, and a cousin, John S. Foster Jr. ’58.

BURTON H. MULLER ’45, a retired professor of physics at the University of Wyoming, died July 9, 2017, at age 93. He received his degree with high honors and was elected to both Phi Beta Kappa and to Sigma Xi. After serving in the U.S. Army during World War II, he received a master’s degree from Yale University and a PhD from the University of Illinois. He joined the University of Wyoming faculty in 1953. An advocate for faculty retirement benefits, he was also the author of papers on theoretical physics. Survivors include his wife, Jacqueline Russell Muller, and two daughters.