found: UDaily, via WWW, May 4, 2018:In memoriam: Karl W. Böer, article by UDaily staff, published April 23, 2018 (Solar energy pioneer Karl Wolfgang Böer, a long-time member of the University of Delaware faculty, died April 18, 2018, in Naples, Florida; renowned scholar, physicist and inventor, he was recognized around the world for championing the development of solar energy technology and for demonstrating its potential use to the average person; joined the University of Delaware faculty in 1962; founding of the Institute of Energy Conversion (IEC) at UD in 1972; retired from the University of Delaware in 1994; born in Berlin, Germany; educated at Humboldt University in Berlin, where he earned a diploma in physics in 1949 and two doctoral degrees, one in physics in 1952 and one in solid-state physics in 1956. He was a professor at Humboldt from 1958-61, serving as department head there for three years; after the construction of the Berlin Wall, he immigrated to the United States, and joined New York University as a research professor for a year before coming to UD; involved in creating Solar Energy Systems (SES) Inc., a private company and subsidiary of Shell Oil Company, in contract with the University and IEC; held 28 patents in solid state technology; authored more than 350 articles on solid state physics and engineering, and on solar energy conversion, as well as seven books)