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In Memoriam einz K. Thiele, Nachmittag mit .…..” (“An AES fellow, died Afternoon with ...…”). Hon March 4, in Some of the subjects includ- Hamburg-Ohlsdorf near his ed Professor Walter Bruch, home in Schwarzenbek, inventor of the PAL-color- Germany. He had just cele- TV-standard, the physicist brated his 85th birthday. Mandred von Ardenne, and Thiele was well known for Friedrich W. O. Bauch, the his work in audio and cine- first technical director of matographic history, which RIAS in West Berlin. he dedicated to the AES In 1985, after his retire- Historical Committee. ment, he became an AES Born 1917 in Dresden, he member and collaborated at graduated from the Techni- the Historical Session during cal High School in electri- the 77th AES Convention in cal engineering. The first Hamburg, Germany (1985). contact with his life pas- The Historical Committee sion, audio and video tech- then became more active. nology, came when he Thanks to Heinz and worked in the sound labora- Friedrich Engel of BASF, tory of Zeiss Ikon in Dres- we discovered Helmut den, prior to his study of Krueger, who made the first electrical engineering. He stereo recordings on mag- was fascinated with the netic tape in 1943 in Berlin. AEG Magnetophone, intro- During the Berlin conven- duced at the 1935 tion in 1993, we honored Radio Exhibition in Berlin, Heinz K. Thiele Krueger. Thiele put together 1917-2002 based on the magnetic tape, a special booklet in German an invention of Fritz on “50 Jahre Stereo-Mag- Pfleumer in 1929 in Dresden. In developed. In 1971 he became tech- netband-technik,” of which seven of 1937, at the age of 20, he began his nical manager of Ullstein AV, a sub- the eight contributions also appeared career at the Central Laboratory of sidiary of the Axel Springer Publish- in English as a preprint. AEG in Berlin, where he developed ing House in Hamburg. He was Before his death Thiele was in the amplifiers and oscilloscopes. responsible for AV hardware, e. g. process of preparing presentations for During World War II he was draft- the video disc system. From 1978 on the 112th AES Convention in Munich ed into military service. He was able he was a consulting engineer for in May 2002. He was a fellow of the to arrange teaching at the HF- and audiovision. AES and SMPTE and honored mem- Telecommunication school of the Since the beginning of his career, ber of FKTG as well as of several army. After World War II he founded he had gathered documents on the other technical and scientific soci- Apparatebau Thiele in Gunzen- progress of audio and video technol- eties. From 1986 until 1999 he was hausen, Bavaria, a company which ogy. Although he lost his first chair of the AES Technical Archives manufactured sound movie amplifiers archive in the great raid of Dresden Committee, Europe Region. He was and oscilloscopes. in 1945, he continued his work after still active and a close friend. We will In 1950 he joined Zeiss Ikon again the war. He gave his archive to the miss his knowledge of audio technol- and became head of the sound labo- Technical University of Berlin. At ogy. He is survived by his wife Ulla, ratory in Kiel and later in Stuttgart home there are still a large number a daughter, son, and grandchildren. where amplifiers, loudspeakers and of interviews he recorded on com- Manfred Krause, drives for movie projectors as well pact cassette of famous people in the Herman A.O. Wilms as still camera electronics were audio and/or video world, called “ein and Reinhard O. Sahr J. Audio Eng. Soc., Vol. 50, No. 6, 2002 June 537.