Joan Koval Baldwin, 71, of Hilo died Nov. 16 at home. Born in Chicago, she was a retired corporate librarian for Weyerhaeuser, had also worked for Boeing, Pennzoil and others, had a Bachelor’s degree in chemistry and master’s degree in library science from the University of Illinois and was a member of Phi Beta Kappa and Phi Kappa Phi. No services. Survived by husband, Gerald E. “Gerry” Baldwin of Hilo; sister, Ruth Koval of Chicago. Arrangements by Dodo Mortuary.