Richland, Wash.—Patsy J. Mercer, the Mercer family and the Mercer Canyons company made a combined donation of $250,000 to help fund the construction of the Wine Science Center at Washington State University, Tri-Cities. The donation will establish the “Bud” Mercer Greenhouse in honor of Mercer’s contributions to Washington agriculture. The Mercer family own and operate an extensive farm and vineyard operation in Prosser, Wash., that includes Mercer Wine Estates.