{"name":"Gregory Callahan","orcid":"0000-0002-3893-1201","affiliation":"The University of Texas at Austin","id":993374,"datarank":0.0,"percentile_rank":0.0,"paper_count":0,"h_index":null,"cited_by_count":null,"works_count":null,"i10_index":null,"openalex_id":null,"last_known_institutions":[],"top_fields":[]}