[7] He was on the Korematsu v. United States legal team which challenged Executive Order 9066 which authorized the internment of Japanese Americans.

[8] Unfortunately, the US Supreme Court ruled on this case that the US constitutional allowed for incarceration based on race, although the conviction was later overturned.

[9] In 1945, he was part of the legal team that represented Fred and Kajiro Oyama as they challenged the Alien Land Act in California.

Macbeth hired as an associate California's first Japanese American female lawyer, Chiyoko Sakamoto, who had been released from internment in 1947.

[14] Mack, who was an associate at Macbeth Sr.'s firm until his death in 1956, expanded her legal repertoire by becoming an editor for the Women Lawyers Journal (1957-1958) and teaching evening law courses.