Manuel da Silva Rosa

Manuel da Silva Rosa (born 1961) is a Portuguese American writer and independent researcher and lecturer on the life of Christopher Columbus. Rosa received a PhD in Insular and Atlantic History (XV-XX Centuries) from Azores University (April 12, 2023) with a dissertation titled CRISTOFORO COLOMBO versus CRISTÓBAL COLÓN Cristoforo Colombo, the weaver from Genoa, was not Don Crsitóbal Colón, the navigator from Ibéria'.'
In his latest book, Portugal na História, Uma Identidade (Lisbon, 2023) Professor João Paulo Oliveira e Costa describes Rosa's work as scrupulous, "No estudo recente de Manuel Rosa, que, respeitando escrupulosamente as fontes, deixa clara a impossibilidade de Colón ter nascido no seio de uma família de tecelões genoveses.”.
His books COLUMBUS - the Untold Story and ""COLUMBUS versus COLÓN" are self-published by the Association Cristóvão Colón which is "a non-profit organization created to aggregate funds to assist Dr. Manuel Rosa in his continued scientific research of Christopher Columbus' life and the propagation of that award-winning research through lectures, media and printed materials." "Copyright Association Cristovao Colon and Manuel Rosa 1991-2024'".
Life
Rosa was born in Madalena, Pico Island, Portugal in 1961. He and his family emigrated to Boston in 1973.
From 2008 to 2018 he worked as an IT analyst at Duke University.

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