At a young age, the father in their family travelled to Italy and never returned to Venezuela, meaning Doña Emeteria was responsible for the care and education of their children.

He attended the Escuela Niño Jesús for primary school, then completed his baccalaureate at the Central University of Venezuela, where he obtained the degree of Bachelor of Philosophy (July 13, 1878).

The influence of the French school, dominant then, made a deep and lasting impression on his mind, although he continued to draw on other sources, as is evident in his admiration for Santiago Ramón y Cajal, Charles Darwin, and Ernst Haeckel.

Among his most notable contributions may mention, in chronological order as follows: As a surgeon, he shares with Dr. Pablo Acosta Ortiz the glory of being one of the founders of modern surgery in Venezuela.

Among his surgical literature stands his book, Lecciones y notas de cirugía clínica (1917), and his work about appendicitis, typhus intestinal perforations, eclampsia and the Cesarean operation.

In his grand scope of educational work and the outstanding number of disciples who were trained, he founded his own school in the Faculty of Medicine of the Universidad Central de Venezuela.

As medicine is a social function, he was an autodidactic hygienist in a time when the Ministry of Health and Welfare did not exist, conducting campaigns against alcoholism, tuberculosis, prostitution, Sexually transmitted diseases, infant mortality and cancer.

[4] After General Juan Vicente Gómez's beloved son, Ali Gomez, died as one of the first victims of the Spanish flu pandemic, in 1918 Dr. Razetti created and presided over the Socorro Board of the Federal District.

This board conducted a census of places where the epidemic was older, and he realized that poverty and lack of hygiene, in addition to malnutrition, contributed to the spread of the disease.

Moreover, as a biologist, Luis Razetti disclosed essential tasks, since, together with Vicente Marcano, David Lobo, Elías Toro and Guillermo Delgado Palacios, he was part of the first waves of biological positivism in Venezuela.