DAVID R. CLARK, 89, professor emeritus of English literature at the University of Massachusetts and an internationally renowned Yeats scholar, died Jan. 11, 2010. Elected to Phi Beta Kappa, he received his degree with honors and with distinction in English. He received master’s and PhD degrees from Yale University. In addition to teaching, he helped to found the University of Massachusetts Press, was one of the founders of The Massachusetts Review, served as chair of the English Department, and helped to organize the Five College Irish Studies Program. An advocate for social justice and a pacifist, he and his family attended civil rights marches during the 1960s, and during the Vietnam War he helped to found the Quaker Action Committee, which collected funds for medical supplies for both South and North Vietnam. He published numerous books and articles, including a book of his own poetry. The brother of the late Leonard H. Clark ’37, he is survived by his wife, Mary Matthieu Clark, four children, and two grandchildren.