Robert Tadashi Koyamatsu, born in Los Angeles on February 12, 1934 to Susumu and Chiyoko Koyamatsu, passed away peacefully on May 8, 2020. He attended Los Angeles High, then Occidental College where he majored in physics. After moving to Seattle, he worked at the Boeing Company for 37 years, retiring in 1993. Robert was preceded in death by his parents, brother Shig, and sisters Tatsuko and Midori. He is survived by his brother Ekibo; his four children Kim (Alan Chang), Todd, Keith (Veronica Malong), and Lynne (Russ Kelly); six grandchildren; and two great grandchildren. No service will be held as per his request.