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.
Keywords from Image Description:
AbrahamSinkov. Abraham Sinkov Photo adapted from nsa gov cfm Natinal Security Agency PDUSGov original upload log page en AbrahamSinkov PM Poon bytes no adapted from nsa gov cfm Natinal Security Agency Unless expressly stated otherwise to comply with requirements or copyrights owned by others information presented on