This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
YuChi Ho. en YuChi Ho American professor of mathematics English here April date original upload en YuChi Ho YuChi Ho Personality rights DEFAULTSORT YuChi Ho YuChi Ho
Page 2023 Free-images.com. All images are Public Domain