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Pedro Vicente Maldonado

Pedro Vicente Maldonado Ecuadorian scientist

Ecuadorian scientist
The basics
Quick Facts
Intro Ecuadorian scientist
Was Scientist Astronomer Geographer Physicist Mathematician Topographer
From Ecuador Colombia
Type Mathematics Science
Gender male
Birth 24 November 1704, Riobamba
Death 7 November 1748, London (aged 43 years)
Pedro Vicente Maldonado
The details

Pedro Vicente Maldonado y Flores, (Riobamba, Royal Audience of Quito (today's Ecuador) November 24, 1704 – London, England, November 17, 1748) was a South-American scientist who collaborated with the members of the French Geodesic Mission. As well as a physicist and a mathematician, Maldonado was an astronomer, topographer, and geographer.


Maldonado’s parents were Don Pedro Antonio Maldonado Sotomayor and Doña María Flores Palomino, both of whom were of high economic and social standing, they came from one of the most important families of the country. His genealogy belongs to one of the first and most important marquis in Ecuador's history. He completed his primary education in Riobamba, the city of his birth, and in 1718, traveled to Quito where he attended the Colegio San Luis, where, under the supervision of the Jesuits, he learned arithmetic, geometry, Latin, astronomy, and music. On May 19, 1721, he received his teaching degree from the Gregorian University and later returned to Riobamba to be an educator at the Jesuit school. His legacy settle in Latacunga at Cotopaxi province.

From an early age, Maldonado was interested in the mysteries of nature, and between 1722 and 1724 undertook many explorations of unknown regions to study the land’s geography in great detail; he completed his first map in 1725. He again returned to his birthplace to care for his estate and remained there until 1720, when he moved to Quito. On February 5, 1730, Maldonado married the daughter of the Governor of Popayán, and gained the advantage of being related to a powerful, influential family. He returned to Riobamba in 1724 and was elected mayor of Cabildo in his first election; he was later named Lieutenant of the Magistrate. In spite of occupying these administrative positions, Maldonado did not neglect his scientific observations. That same year, he presented a proposal before the Viceroy of Peru, José de Armendáriz, to link the Royal Audience of Quito with Panama. It was the first of his many projects involving commerce routes and transportation.

In 1736, he collaborated with the Spanish-French Geodesic Mission, whose primary objective, until 1743, was the decision of the value of a degree of terrestrial meridian arc in the proximity of an equinoctial line. Maldonado befriended many of its members, most notably Charles Marie de La Condamine. Two years later, he assumed the position of Governor of Esmeraldas Province on January 20, 1742, and elevated his brothers to a position of political power so that they could take part in the government. After being widowed by his first wife, Maldonado again returned to Quito, remarrying doña María Ventura Martínez de Arredondo in 1743.

In 1744, Maldonado visited Europe. In Spain, in 1746, he was received by Philip V, who bestowed upon him the title of “Gentleman of the Royal Camera” and proclaimed him Governor of Atacames, with a state-sanctioned pension to last for two generations. From Madrid, he traveled to Paris, where he was received as a member of the French Academy of Sciences on March 24, 1747 based on reports about his merits from other geologists who knew him in Quito, giving him the opportunity to print his “General Map.” That same year he traveled through the Netherlands and in August 1748, was transferred to London, where he was invited to participate in meetings of the Royal Society as one of its members, but he died before he could be inducted. His remains were interred in the St. James Church, leaving behind a vast legacy of scientific study and research.


  • In Spain
    • Horseman of the Golden Key
    • Gentleman of the Camera – Equivalent to Guarding the Honor of His Catholic Majesty
    • Lieutenant of Magistrate
  • In France
    • First Corresponding Member of the Parisian Science Academy for Latin Americans
  • In the Ecuadorian Royal Court of Quito
    • Governor of the Emerald Province
    • Mayor of the City of Riobamba


The Pedro Vicente Maldonado High School in Riobamba
  • Pedro Vicente Maldonado canton in Pichincha Province, Ecuador is named for this scientist.
  • The Colegio Nacional Maldonado was established in Riobamba In 1867 under president Jerónimo Carrión.

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