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Hancock-- Robert B. Hendricksen, of Manteca, California passed away on Friday, September 4, 2026 at the age of 88. He was born on August 19, 1938 in Hancock to Jean and Paul Hendricksen. He attended grade school in Hancock, but his family moved to Virginia, Minnesota where he attended junior and senior high school. After graduation from Roosevelt High School in June of 1956 he joined the U.S. Navy. He served for 4 years with most of that time on the aircraft carried USS Lexington as an aviation guided missileman. He was honorably discharged in 1962 as a second class petty officer. Robert then returned to Virginia and graduated from Virginia Junior College in 1962, followed by graduation from the University of Minnesota-Duluth with a degree in Business & Economics in 1964. In 1984 he received his MBA in International Business from Golden Gate University in San Francisco. While he was in school in Virginia, he played on the basketball, football, baseball, and track teams receiving honors.
In 1978 he married the love of his life Margaret. Robert began his carer in 1964 at Motorola Semiconductor in Phoenix, Arizona as general foreman and then materials manager. In 1971 he moved to Fairchild Semiconductor in various operations management positions in Shiprock, New Mexico, Jakarta, Indonesia, and Mt. View, California. In 1989 he became Director of Production Planning at Raytheon Semiconductor in Mt. View. In 1993 he joined ASAT Inc as Vice President in Mt. View and 2 years in ASCAT’s Nancy, France factory. Robert retired from ASCAT Inc. in 2001.
Robert is survived by his loving wife Margaret Hendricksen in California; his sister Barbara in Florida; daughter Jennifer Hendricksen in Lincoln, California; and step-daughter Rebecca Zeiher of Manteca, CA.
Robert and Margaret enjoyed international travel and made river cruises in Russia, China, European locations and visited many of the states in the U.S.A. He was an avid nonfiction reader and loved to work in their yard.
Interment will be in Forest Hill Cemetery in Houghton section 15 with the Copper Country Veterans Association conducting military honors at 1 p.m. Friday, October 16, 2026. The O’Neill-Dennis Funeral Home of Hancock is assisting with the arrangements. To leave online condolences, please go to www.oneilldennisfh.com.