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chairman of the Democratic Party in Morristown in about 1957. He was also chairman of the Committee of Readers at St. Margaret’s Church, and he organized a Jewish-Catholic dialogue; participating couples met monthly at each other’s homes for more than 30 years.

Ralph’s circle of collaborators was a virtual who’s who in the physics and chemistry of semiconductors and semiconductor devices at Bell Labs. His lunch companions might include Chuck Henry, Franz Reinhart, Jan van der Zeil, Dave Lang, Wan Tsang, Barry Levine, John Bean, Anders Olsen, Henryk Temkin, Venky Naryanamurti, Bob Miller, and me. In the field of semiconductor lasers, with apparent ease, he covered the areas of epitaxial growth, device fabrication, and evaluation. Everybody was important enough to him to warrant his time and attention, and, in return, he asked only that his collaborators give him prompt and accurate feedback.

With his creative mind and unique laboratory skills, he was always at the center of the action. However, those of us who were privileged to know him remember him first as a kind man and a good friend who was always willing to reach out and help with a cheerful attitude and confidence that things would work out if we just kept at them.

Ralph is survived by his loving wife of 56 years, Ann (Garvey); eight children, Howard and his wife Mary Ann Logan, Mary Logan, Marguerite Kerscher and her husband Leo, Enid Logan, Alisa Logan and her partner Christine Day, Ruth Catherine Logan, John Logan and his wife Nancy, and Thomas Logan and his wife, Maura; and 10 grandchildren.



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