Canuto Cardona Alvarez, Colombian plant geneticist (Pacora, Panama District 31 January 1919 – April 1977)

With S.H. Orozco & L.H. Camacho developed Diacol Nima variety of beans (1959)

With R.L. Skiles. Mancha gris, a new leaf disease of bean in Colombia (1959) (gray leaf spot of beans)

Teobaldo Llosa Paredes, Peruvian plant pathologist (Arequipa 1908 – 04 July 1996)

Una nueva enfermedad en los Eucalyptus (1937) (a disease by Pestalozzia)

Investigaciones referentes al wilt del agodonero y nuevo metodo para aislar hongos del tipo Verticillum o Fusarium de plantas atacadas por el “wilt” del algodonero (1938)

Alejandro López Restrepo, Colombian engineer and economist (Medellín 04 June 1876 – Fusagasuga, Cundinamarca March 1940)

Patented Antioquian shredder for rip off fique (Furcraea andina)

Invented Colombia spinner (1918)

Cristóbal Roque de Losada y Puga, Peruvian mining engineer and mathematician (New York 14 April 1894 – Lima 30 August 1961)

Invited Lecturer, International Congress of Mathematicians (1924)

Olalla, Ecuadorian family of collectors (20th century)

Composed by Carlos Olalla and their sons Alfonso Maria, Manuel (the only living in 1988), Jorge, Ramón, Ronaldo and Rosalino Olalla P.

More collectors of family are Augusto, Felipe, Francis, Jean Claude, Marie Charlotte and others

Most famous of them was Alfonso Maria Olalla P. (01 July 1899 – 13 December 1971)

They were active in Amazon Basin (1922-69)

Gathered specimens of birds, mammals and amphibians in Ecuador, Peru, Bolivia and Brazil (estimates that collected more than 7,000 specimens of tropical birds)

Honored in genus Olallamys Emmons 1988 (Mammalia)

Humberto Rotondo Grimaldi, Peruvian social psychiatrist (Callao 04 June 1915 – 03 March 1985) 

From Italian ancestry

Described mescalin psychosis

Fenomenologia de la intoxicación mescalinica y analisis del pensamiento en su decurso. Rev. Neuropsiqu. 6:58, 1943

Pedro Nicolás Saenz Pinzón, Colombian coffee pioneer (Rionegro, Antioquia Department 20 November 1851 – 08 June 1907) 

Described American coffee leaf spot (1876), sending fungal samples to J.B. Ellis

Pioneer of coffee industry in Colombia

Memoria sobre el cultivo del cafeto o guía para la fundación de un cafetal en Colombia (1888)  

Carlos Alberto Seguín Escobedo, Peruvian psychiatrist (Arequipa 08 August 1907 – 1995) 

Pioneer work on conceptualize mental illness in relation to stress later discussed in international works by foreign authors

The concept of disease. Psychosom. Med. 8:252-7, 1946

Described immigrant syndrome of psychosomatic disadaptation

Migration and psychosomatic disadaptation. Psychosom. Med. 13:404-9, 1956  

Hermann Joseph Steinbach, German-born Bolivian collector (1876 – 1930) 

Discovered many new plant species from Bolivia, Colombia and Argentina

Collected zoological specimens such as insects, birds, reptiles, mammals and bird skins (about 13,600 pieces)

HONORS

Steinbachiella Harms 1928 (Fabaceae)

Manuel Antonio Vaca Díez, Bolivian physician, journalist, geographer and explorer (Trinidad, Beni Department 04 May 1849 – Ucayaly River, Peru 09 July 1897)

Nicknamed Bolivian Cecil Rhodes

First to report scientifically the mucosal leishmaniasis or espundia (1876)