Eva vom Baur was born in New York City, attended the New York Collegiate Institute, and graduated from Barnard College in 1909. She became a pioneer in women's journalism as well as in helping to open up business careers for women. After college, she joined the Intercollegiate Bureau of Occupations, one of the earliest organizations concerned with employment for women. From 1911 to 1916, she reported the progress of the early feminist movement for The New York Tribune and the New York Evening Sun; at the latter, she was editor of the "Women's Page" from 1912 to 1916. In 1916, she married Raleigh Hansl and had two children. She directed a course of public lectures at New York University on careers for women, and organized the League for Women's Vocational Opportunities. She was an associate editor of Parents Magazine before going into radio broadcasting. She supervised the research, promotion, and production of three influential network radio series, "Women in the Making of America" and "Gallant American Women" for NBC, and "Womanpower" for CBS. Eva Hansl lectured at Columbia University's School of Journalism, and wrote several books including Minute Sketches of Great Composers (1931) and Artists in Music Today (1933), as well as many articles in popular magazines and periodicals.