I am delighted to announce winners of the History of Economics Society = scholarship prizes for 2005: Joseph J. Spengler Book Prize is awarded to E. Roy Weintraub of Duke = University for his book: How Economics Became a Mathematical Science = (Duke University Press, 2002) Best Article Prize is awarded to Michael White of Monash University for = his paper: "In the Lobby of the Energy Hotel: Jevons's Formulation of = the Postclassical 'Economic Problem'" History of Political Economy 36:2, = 2004. Joseph Dorfman Prize (for Best Doctoral Dissertation) is awarded to Kyu = Sang Lee for his dissertation: "Rationality, Minds and Machines in the = Laboratory: A Thematic History of Vernon Smith's Experimental Economics" = supervised by Professor Philip Mirowski at Notre Dame University. The prizes will be awarded at the 32nd Annual Conference of the Society = to be held at the University of Puget Sound, 24-27th June, 2005 in = Tacoma, Washington, USA. Information about the meeting and lists of = previous prize-winners are to be found on our Society website = <http://www.eh.net/HE/HisEcSoc/> I thank the Chairs of the respective Prize Committees: Don Moggridge, = Perry Mehrling and David Levy, and the members of those Committees, for = their service to the Society. Mary S. Morgan President, History of Economics Society