in the world of horticulture and plant science, and made it a great cultural institution in the city with the highest standards in the world. During his tenure the Enid A. Haupt Conservatory was restored and The Cary Arboretum in Millbrook, NY was established." In addition to his administrative work, Irwin is credited with initiating the Planalto do Brasil Program for the botanical study of the Brazilian Highlands region. Additional employment Irwin was appointed vice chancellor of Long Island University from 1980 until 1983 and director of Clark Botanic Garden of the Brooklyn Botanic Garden from 1983 until 1991. He is trustee emeritus of the Truro Conservation Trust in Truro, Massachusetts, elected in 2008 after serving on the trust board from 2003 until 2008. Honors and associations Former adjunct professor of botany at Lehman College Contributing editor to Encyclopedia Americana Fellow of the New York Academy of Sciences Personal life Irwin and Marian Campbell Sterne married in the early 1950s and had two daughters. Irwin and Anne Lieb Wolff (now Anne Lieb Irwin) married on April 22, 1979 at the New York Botanical Garden's Enid A. Haupt Conservatory in the Bronx, NY. Wolff graduated from Oberlin College in 1946 and earned a master's degree from the Columbia University School of Social Work. At the time of their marriage, she was a potter and craft instructor at the Hebrew Home for the Aged in Riverdale, a neighborhood in the Bronx. The Irwins showed a strong commitment to conservation, placing a conservation restriction on their property within the Cape Cod National Seashore which was purchased by Anne Lieb Irwin's grandparents in 1920. Select publications Goodland, Robert JA, and Howard S. Irwin. "Amazon jungle: green hell to red desert?". Developments in Landscape Management and Urban Planning (Netherlands) eng no. 1 (1975). Irwin, Howard S., and Rupert C. Barneby. "The American cassiinaea synoptical revision of leguminosae tribe cassieae subtribe cassiinae in the New World". No. 580.744747 M4/v. 35/2. 1982. Irwin, Howard S., and Rupert C. Barneby. "Monographic Studies in Cassia (Leguminosae Caesalpinioideae), III, Sections Absus and Grimaldia". New York Botanical Garden, 1978. Wills, Mary Motz, and Howard S. Irwin. "Roadside flowers of Texas". (1961). Irwin, Howard S. "Monographic studies in Cassia (Leguminosae-Caesalpinioideae). I. Section Xerocalyx". Mem. NY Bot. Gdn 12.1 (1964): 1–114. Goodland, R., Howard S. Irwin, and Gus Tillman. "Ecological development for Amazonia". Ciência e Cultura. (1978). References 1928 births American botanists New