One was a pioneer, making partner at a time when African-American attorneys still had trouble getting hired. The other was a founding father of the antitrust bar, whose name was on the door of one of Washington’s top law firms for a half-century.

The legal community is mourning the recent loss of Vincent Cohen Sr. and Bill Simon, two veteran attorneys remembered for their love of trial practice, their success in court and their role in reshaping the practice of law in Washington.