DescriptionCynthia Keppel, Thomas Jefferson National Accelerator Facility.jpg
English: Cynthia Keppel, leader of Jefferson Lab’s Halls A&C, has been honored with the APS 2019 Distinguished Lectureship Award on the Applications of Physics.
United States Department of Energy's Jefferson Lab
https://www.jlab.org/photos says "Images on the Jefferson Lab website that are in the public domain may be used without permission. If you use images from the Jefferson Lab website, it is requested that you credit Jefferson Lab as the source, unless an image is used in an advertisement. ... Please note that some images on the website may have been obtained from other organizations and will be noted in a credit line." This image was not so noted, so seems to be a Jefferson Lab image, so in the public domain. In addition, this image may be found at https://eurekalert.org/pub_releases/2019-01/djna-jls012219.php which is a publication of the American Association for the Advancement of Science, a highly reputable organization, and that organization credits the DOE/THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY for it, here: https://eurekalert.org/multimedia/pub/190920.php[dead link]