Margaret Kuroiwa is the third daughter of Dr. Daishiro Kuroiwa from Saga-ken, Japan and Agnes Haruyo Ogawa Kuroiwa. Her father was a prominent Issei physician who worked at the Turner Street Southern California Japanese Hospital, and was one of the five doctors, along with Dr. Tashiro, to file the lawsuit against the State of California. His practice was in Boyle Heights and in the Taul Building in Little Tokyo. He also treated tuberculosis patients at the Monrovia Sanitarium. She and her 4 sisters were born at the new Japanese Hospital on First and Fickett. (April 11, 2010)