He is considered among the most important exponents of the generation of architects who traveled to Europe and came into contact with Le Corbusier, the Bauhaus design school and the artistic trends of the modern movement.

[1] The Oberpaur influenced, in turn, the building of the National Council of Culture and the Arts—current headquarters in Valparaíso—of the Ministry of Cultures, Arts and Heritage, designed in 1936 by the architect Marcelo Deglin Samson (since its inauguration in 1942 it housed the port's Post Office and Telegraph Office until 2001; two years later it passed into the hands of the CNCA until this institution became a ministry in 2017).

[3] While he carried out his teaching work at the Catholic University, he was linked to important changes in the School of Architecture, of which he became dean in 1952, a position he held for 15 years.

Scholar and collector of American archaeological pieces, he was founder of the Chilean Museum of Pre-Columbian Art of Santiago in 1981.

[5] During World War II he was an agent of the British Intelligence Service in Chile to investigate German activities in the country.