Daniel Frassinetti was born on July 26, 1939 in Iquique and died on April 9, 2010 in Santiago, Chile. He obtained the title of Teacher of General Basic Education in 1959 from Escuela Normal Jose Abelardo Nunez and worked as a teacher for several years. He came to Santiago in 1971, where he joined the Museo Nacional de Historia Natural as a technician. Quickly he became research assistant and in 1975 he ascended to researcher of the Geology Section. In 1991 he became head of the Paleontology Section and was editor of the Boletin del Museo Nacional de Historia Natural and the museum’s Publicacion Ocasional for more than 30 years. In 1995 he obtained a degree in Education from the Universidad Metropolitana de Ciencias de la Educacion. Daniel Frassinetti retired in the year 2008, but continued his investigations as Emeritus Curator at the museum. He was always generous with information about paleontology, but rarely talked about his private life. For some years, he fought silently and bravely against a cancer without many people knowing about it. A fight he eventually lost.Daniel Frassinetti was born on July 26, 1939 in Iquique and died on April 9, 2010 in Santiago, Chile. He obtained the title of Teacher of General Basic Education in 1959 from Escuela Normal Jose Abelardo Nunez and worked as a teacher for several years. He came to Santiago in 1971, where he joined the Museo Nacional de Historia Natural as a technician. Quickly he became research assistant and in 1975 he ascended to researcher of the Geology Section. In 1991 he became head of the Paleontology Section and was editor of the Boletin del Museo Nacional de Historia Natural and the museum’s Publicacion Ocasional for more than 30 years. In 1995 he obtained a degree in Education from the Universidad Metropolitana de Ciencias de la Educacion. Daniel Frassinetti retired in the year 2008, but continued his investigations as Emeritus Curator at the museum. He was always generous with information about paleontology, but rarely talked about his private life. For some years, he fought silently and bravely against a cancer without many people knowing about it. A fight he eventually lost.