# OnCo record gordon-freeman (person). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/people/gordon-freeman/>
  a schema:Person ;
  onco:kind "person" ;
  schema:identifier "gordon-freeman" ;
  schema:name "Gordon J. Freeman"@en ;
  schema:description "Showed that PD-L1 is the ligand for PD-1 and that the pair switches T cells off, the foundation of checkpoint immunotherapy."@en ;
  schema:url <https://onco.cc/people/gordon-freeman/> ;
  schema:dateModified "2026-09-10"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Gordon_J._Freeman>, <https://orcid.org/0000-0002-7210-5616> ;
  schema:citation <https://pubmed.ncbi.nlm.nih.gov/?term=Freeman%20GJ%5BAuthor%5D%20PD-L1> ;
  onco:tag "immunotherapy", "discovery", "pd-1" ;
  schema:jobTitle "Professor of Medicine, Dana-Farber Cancer Institute and Harvard Medical School" ;
  onco:technologies <https://onco.cc/technologies/checkpoint-inhibitor/> ;
  onco:targets <https://onco.cc/targets/pdl1/>, <https://onco.cc/targets/pd1/> ;
  onco:institutions <https://onco.cc/institutions/dana-farber/> ;
  onco:keyPapers <https://onco.cc/key-papers/paper-topalian-anti-pd1-nejm-2012/> ;
  schema:affiliation <https://onco.cc/institutions/dana-farber/> .