Efrén Pérez Rivera, Date of Birth, Date of Death

Efrén Pérez Rivera

Puerto Rican scientist

Date of Birth: 10-Mar-1929

Date of Death: 15-May-2011

Profession: scientist

Zodiac Sign: Pisces

Efrén Pérez Rivera (March 10, 1929 – May 15, 2011) was a Puerto Rican environmentalist leader and college professor.