Nachbin completed high school in Recife and, stimulated by Professor
Luiz Freire, moved to Rio where he graduated in Engineering in 1943 at
* Escola Nacional de Engenharia da Universidade do Brasil*.
In the Department of Mathematics of the
* Faculdade Nacional de Filosofia da Universidade do Brasil*
in Rio de Janeiro he found a stimulating mathematical atmosphere.
He had then the opportunity of joining an academic staff to which belonged
the Italian mathematicians Gabriele Mammana (a former student of
Mauro Picone) and Luigi Sobrero (a former student of Levi-Cevita).
In 1948 he became a *Freidozent* at that same institution with the
theses: "Combination of metrizable and pseudo-metrizable topologies",
a quite updated research topic at that time. In the very same year of
1948 he went to the University of chicago with a fellowship from the
American State Department. since then his career as a working
mathematician was very productive in many areas of mathematical
analysis. It is also worth noticing that Nachbin benefited, in a very
fruitful way, from his acquaintance with the mathematicians André
Weil, Jean Dieudonné, Marchall Stone and Laurent Schwartz, who
visited Brazil.

He was one of the founders of the physics and mathematics institutes,
*Centro Brasileiro de Pesquisas Físicas* (CBPF) and
*Instituto de Matemática Pura e Aplicada* (IMPA), both
in Rio de Janeiro. In 1967 together with Heitor Gurgulino de Sousa,
he also was a founder of the *Escola Latino-Americana de
Matemática*, a mathematical event that takes place every
two years throughout Latin America.

Nachbin published a large number of research papers in mathematics,
as well as textbooks and research monographs. His published works
in English, French and Portuguese added up to more than a hundred.
His research contributions focus mainly on the following areas:
ordered systems, topology, topological vector spaces, approximation
theory, harmonic analysis, and infinite-dimensional holomorphy.
He received several awards, due to the high quality of his work
in mathematics. In 1950 he was elected a member of the
Brazilian Academy of Sciences. In 1962 he was an invited lecturer at the
International Congress of Mathematics. In the same year he received the
*Moinho Santista* Prize, a distinguished Brazilian prize for
academic and intellectual achievements, being the first mathematician
to receive this award. In 1982 he received the Bernardo Houssay Science
Prize from the Organization of American States; again he was the first
mathematician to whom this award was conferred. In 1983 he was elected
a member of the newly-founded Latin American academy of Sciences.

He accepted a tenured position at Rochester University in 1964, keeping also his position in Rio de Janeiro. He also had visiting appointments at many institutions throughout the world such as: Institut Henri Poincaré, Brandeis University, University of Chicago, Institute for Advanced Study in Princeton.

He was the editor of *Notas de Matemática*, which was
published from 1948 to 1976 by IMPA in Rio de Janeiro, and thereafter
by North-Holland Publ. Co. in Amsterdam. Together with his former
Ph.D students, Nachbin organized several international meetings both in
this country and abroad.

Besides his deep knowledge of his subject, Nachbin was an exceptional lecturer endowed with an extraordinary gift for transmitting knowledge with extreme clearness. Brazilian Mathematics will certainly miss him a great deal.

*
Candido Lima da Silva Dias
Chaim Samuel Hönig
Luis Adauto da Justa Medeiros
*

Transcripted from

©Sociedade Brasileira de Matemática Aplicada e Computacional

with permission from the Publisher Birkhäuser.