https://www.wikidata.org/wiki/Q186481
Riccardo Giacconi - Wikidata
Italian-American astrophysicist (1931-2018)
riccardo giacconiwikidata
https://cxc.cfa.harvard.edu/newsletters/news_10/Chandra_prog.html
Riccardo Giacconi and the origins of Chandra Program
riccardo giacconiand theoriginschandraprogram