He was a major part of Chicago's push for LGBTQ equality, and on Sunday, Richard Pfeiffer's legacy was made a permanent part of the North Halsted community. WGN's Sean Lewis has that story.

In their efforts to develop a vaccine, researchers at the time worked under the mistaken assumption that influenza was caused by bacteria, based on Richard Pfeiffer 's 1892 discovery of the“bacillus ...

Richard Pfeiffer as an environmental judge in 1992, the Senate appointed Espy to fill the vacancy. He served as the chamber's assistant minority leader from 1994 to 1996 and as minority leader from ...