Background
Ditthardt, Alfred Robert was born on August 28, 1935 in Wausau, Wisconsin, United States. Son of Alfred and Agnes Clara (Lucht) Ditthardt.
Ditthardt, Alfred Robert was born on August 28, 1935 in Wausau, Wisconsin, United States. Son of Alfred and Agnes Clara (Lucht) Ditthardt.
Bachelor of Science in Electrical Engineering, Northwestern University, Evanston, Illinois, 1957. Postgraduate, Illinois Institute of Technology, Chicago, 1963.
Senior development engineer, Motorola Inc., Chicago, 1954-1961; project engineer, Zenith Radio, Chicago, 1961-1971; research engineer, Zenith Radio, Chicago, 1972-1979; project engineer, Northrop Corporation, Rolling Meadows, Illinois, 1971-1972; manager product planning, Knowles Electronics, Itasca, Illinois, 1979-1990; president, Atmospheric Reentry Demonstrator Cons., Wheeling, Illinois, since 1990. Consultant Hearing Industries Associations, Washington, 1981-1990.
President Northfield Woods Homeowners, Glenview, Illinois, 1975-1976, 90-94. With United States Army, 1959-1967. Member Institute of Electrical and Electronics Engineers (sessions chairman Chicago conference 1978), Acoustical Society of America.
Married Mary Isabel McIver, August 29, 1959. Children: Mark, Laurie Ditthardt Norton.