(English-language translation) Prestigious professor Ricardo Alegría, an indispensable figure in the development of [Puerto Rico's] national cultural identity, died today at 6:05 AM at the age of 90 years, sources to El Nuevo Día confirmed. Alegría died of multiple complications from heart problems at the Coronary Intensive Unit of the Puerto Rico & Caribbean Cardiovascular Center. "We found him weak, but his mind is very clear," a source close to the family assured regarding the condition Alegría was in before his health crisis. The prestigious anthropologist, archeologist, historian, promoter, educator, and defender of Puerto Rican culture turned 90 years old...