[Dr. Luis Cifuentes Delatte (1907-2005). Biographical sketch]

With the centenary of the birth of Dr. Luis Cifuentes Delatte, considering he in as one of the most transcendental personalities in the Spanish urology of the second half of the 20th-century, we review his life, his environment, and his relationships, and emphasize his life experiences, in addition to his works and research.

We read his books and articles from Spanish urological journals from 1930, from which we selected the references we found about him. We also used as a source our personal relationship with him.

He had an important clinical and research education, a great working capacity; he was a judicious and acute observer, also obiective and rigorous checking results; the analysis of urine sediment, urinary tract infection with stone formation, and the study of bladder, neurogenic and tumoral pathologies, as well as a cystopathies, were the main topics he dedicated to; he also was outstanding in transurethral surgery. Valuable publicist, he is outstanding due to the transcendence of his written works, and especially for being the Master of an ample generation of Spanish and South American urologists, and for his love of study and urology.