The name of Svetoslav Roerich (1904–1993), the youngest son of Helena and Nicholas Roerich is related to many key events in the spiritual and cultural space of our planet in the 20-th century. He was an artist, fine arts expert, architect, engineer, naturalist, ethnologist, religious scholar, thinker, entrepreneur, educator and public figure. Like all the members of his unique family, Svetoslav Roerich was marked out for a rare synthesis of various talents and spheres of their application. He painted thousands of pictures, wrote several books and was engaged in cancer treatment research. He was also the initiator and head of large cultural and educational institutions. Svetoslav Roerich coordinated the work of many non-governmental organizations within the territory of a few continents, laid the foundations of a new spiritual science, education and enlightenment, revived and strengthened the principles of mutual cooperation between two Great Powers – India and Russia.