Keiko Fukuda, a judo trainer (10th degree black belt) in SF who died in 2013 aged 99 (she taught in her dojo in Noe Valley even into the last year of her life) was the student of the judo founder Kano Jigoro who opened his first judo school in 1882.

Thank you to share. I didn't know about her. There is a detailed Wiki page about her life here: https://en.wikipedia.org/wiki/Keiko_Fukuda