school in Boulder City is named for him

Taken from Wiki page: Roberta Joan "Joni" Mitchell, CC (née Anderson; born November 7, 1943) is a Canadian singer-songwriter. Rolling Stone called her "one of the greatest songwriters ever", and AllMusic has stated, "When the dust settles, Joni Mitchell may stand as the most important and influential female recording artist of the late 20th century". Drawing from folk, pop, rock, and jazz, Mitchell's songs often reflect social and environmental ideals as well as her feelings about romance, confusion, disillusionm

B. C. Mittleman is a photographer.  He's previously done work for Donn Arden and his dancers.