==================== HES POSTING ======================= Irving Fisher taught a course on "The Mathematical Theory of Prices" at Yale in the early 1890s, based on his thesis, "Mathematical Investigations in the Theory of Value and Prices" (accepted as a Yale Ph.D. dissertation 1891, published in _Transactions of the Connecticut Academy_ 1892). Fisher was in the Department of Mathematics (as instructor 1891-93, assistant professor 1893-95) before transferring to the Department of Political Economy. Robert Dimand Brock University [log in to unmask] ============ FOOTER TO HES POSTING ============ For information, send the message "info HES" to [log in to unmask]