The purpose of the NSF Graduate Research Fellowship Program (GRFP) is to
help ensure the vitality and diversity of the scientific and
engineering workforce of the United States. The program recognizes and
supports outstanding graduate students who are pursuing full-time
research-based master's and doctoral degrees in science, technology,
engineering, and mathematics (STEM) or in STEM education. The GRFP
provides three years of support for the graduate education of
individuals who have demonstrated their potential for significant
research achievements in STEM or STEM education. NSF especially
encourages women, members of underrepresented minority groups, persons
with disabilities, veterans, and undergraduate seniors to apply.
https://www.nsf.gov/pubs/2018/nsf18573/nsf18573.htm?WT.mc_id=USNSF_25&WT.mc_ev=click