Mas Masato Nishikawa passed away peacefully on September 17, 2023 at the age of 102. Mas was born in Centerville, California on August 10, 1921 to Gisaburo and Aya Nishikawa.

Mas is predeceased by his wife, Yoshiye "Peggy"; his parents, Gisaburo and Aya; his brothers, Noboru "James", Wataru "Bob", Toshiro "Tosh", Goro "John", and Kaoru "Kei"; his sisters, Chiyoko, Tomiko "Tomi" Watari, and Sueko "Sue" Fukuda. Mas is survived by many nieces, nephews, and other relatives.