Xiao peng you jing ji xue xue yuan WWW home page, Jan. 11, 2002 Professor Steven N.S. Cheung (Zhang Wuchang [in Chi.]; b. 1935; Ph.D., UCLA, 1967; taught at Chicago before becoming prof. of economics at the Univ. of Washington; prof. of School of Economics and Finance, Univ. of HK since 1982; also a noted photographer, calligrapher, and essayist; author of "The Theory of Share Tenancy", "Mai ju zhe yan", etc.)