Russian emigrants of the first wave left a significant mark in the history of many countries where they settled. Their descendants made a substantial contribution to the development of various states, and one such example is Andrei Nikolayevich Chernichin, who became a renowned doctor and ecologist in Chile. In the mid-1960s, he graduated from the medical faculty of the University of Chile, where he began his scientific career. His early research focused on the study of progesterone and estrogen hormones, which play a key role in the human reproductive system. These works attracted the attention of the international scientific community and led to Chernichin being invited to the United States for further research. There, he worked in various research centers, allowing him to accumulate valuable experience that he later applied upon returning to Chile.

In 1986, Andrei Nikolayevich headed the Department of Morphology at the University of Chile. His expertise was sought after by many organizations, and one day he discovered dangerous levels of estrogen in chickens raised at one of the factories. This finding prompted producers to reconsider their methods to avoid negative health consequences for consumers. In another instance, Chernichin actively fought against a chemical plant that was discharging arsenic-laden waste into a river in Santiago. Thanks to his efforts, the government decided to relocate the factory outside the city.

Chernichin also defended Chile's interests on the international stage. He became one of the authors of a bill regulating lead content in paints. At that time, American companies were actively exporting paints containing toxic substances to Chile. Due to Chernichin's actions, the Chilean market was closed to these hazardous products, and information about their harm spread to neighboring countries. As a result, manufacturers in the U.S. were forced to switch to producing safe paints.

Chernichin's activities in the field of ecology and his efforts to protect the environment played a crucial role in preventing Chile from becoming the industrial dump of South America. His work and achievements earned him respect and recognition among his compatriots and colleagues, as well as made a significant contribution to improving the ecological situation in the region.