Walter Pranger, a Chicago resident who once chaired the mathematics department of DePaul University and designed the department’s first Web page, died last month at 65. Mr. Pranger came to DePaul in 1964 after earning a doctorate in math from the Illinois Institute of Technology. Within a decade, he was promoted to full professor, and he chaired the department from 1979 to 1982. Mr. Pranger, who served in the U.S. Marine Corps, expanded his professional interests over time into mathematical software, computer graphics and computer simulations. Survivors include his wife, Janice; a brother, Bernard; and a sister, Charlotte Novak. Services for Mr. Pranger are scheduled for 3:30 p.m. Jan. 10 in St. Vincent’s Church, 1010 W. Webster Ave., Chicago.
