Donald J. Pinkava, 83, died on July 25, 2017. Donald received his Bachelors in Education, Cum Laude, in 1955 and was a member of the Phi Eta Sigma fraternity. He taught biological science at Solon High School in Ohio from 1955-1960. He then began teaching at Ohio State University and after receiving his doctorate in 1964, became the Director of the Herbarium and Professor of Botany at ASU where he taught from 1964-2000, retiring as Emeritus Professor, Life Sciences. During his 35 years at ASU, Donald contributed to and wrote a myriad of research publications, taxonomy books and academic journals on Arizona Flora. He was also chairman of dozens of committees and belonged to many academic and professional societies. After retirement, he continued his research at the ASU herbarium and at the Desert Botanical Garden, primarily focused on the cacti of western North America and his final contributions on the chromosome series of cacti were made this year. Donald is survived by his wife, Mary, a daughter and two grandchildren. He is preceded in death by a brother. Visitation will be Monday, July 31, 2017 at 9:30 a.m. followed by a Prayer Service at 10:00 a.m., Queen of Heaven Catholic Funeral Home, 1562 E. Baseline Rd., Mesa, AZ. Interment will follow at Queen of Heaven Catholic Cemetery. A reception will follow at the Desert Botanical Garden, Dorrance Hall, 1201 N. Galvin Parkway, Phoenix, AZ 85008 beginning at 12:30 pm. In lieu of flowers, donations can be made to either the ASU Herbarium, or to the Desert Botanical Gardens. Donations may be sent to Desert Botanical Garden, Attention: Tribute Program, 1201 N. Galvin Parkway, Phoenix, AZ 85008 or you can make a donation online at www.dbg.org/tributes . Donations to the ASU Herbarium can be sent to Arizona State University Herbarium (ASU) c/o Elizabeth Makings, School of Life Sciences PO Box 874108 Tempe AZ 85287-4108 USA. Please include a notation that your contribution is in memory of Dr. Pinkava. (Source: Arizona Republic)