A physicist.[ref]
https://vufind-caval.au.folio.indexdata.com/Search/Results?filter%5B%5D=topic_facet%3A%22Solids%22&lookfor=%22Property%22&type=Subject. Independent professional profile
[ref]https://www.optica.org/history/biographies/bios/james-p-gordon/. Independent professional profile
New to topics? Read the docs here!