Question: Who was born first, Celedonio Calatayud or Wilhelm Conrad Röntgen?
Sentence (from "Celedonio Calatayud"): He also was the driving force behind and creator of the First National Medical Congress that took place in Madrid in 1919, precursor of the use of diathermy in gynecologic therapy, founder of the "Spanish Journal of Medical Electrology and Radiology" ("Revista Española de Radiología y Electrología Médicas") and "Tribuna Médica", as well as author of many papers on electrodiagnosis, electrotherapy, roentgenology, and radiotherapy.
Relevant evidence: No