Emma Margaret Dietz Schultz Stecher (September 23, 1905 – December 6, 1998) was an American organic chemist.

[4] Dietz held a post-doctoral appointment as a researcher at Harvard University from 1929 to 1934, working with James B.

[5] In 1934 she went to Munich as a postdoctoral fellow, funded by the American Association of University Women (AAUW).

[1] She returned to industrial work as a chemist at General Aniline Company in Pennsylvania from 1943 to 1945.

In 1955 she received funding from the National Science Foundation (NSF) for research on benzylidenepyruvic acids.