Anna Case, a 50-year career RF engineer, died this weekend in Northern Virginia of complications related to leukemia, the Washington Post reported. She was 86. Case was chief of the radio frequency division of Voice of America when she retired in 1984; at that time, she was one of the highest-ranked women engineers in federal government, according to the account. She is credited with helping to modernize VOA’s network of more than 100 transmitters for shortwave and medium-wave frequencies. She consulted for George Jacobs and Associates of Silver Spring, Md. after her retirement from VOA, states the Post.