Short answers, pulled from the story.
Helena Roerich was born in 1879 into a family of Ivan Shaposhnikov, a well-known Saint-Petersburg architect. Her mother belonged to the ancient Golenischev-Kutuzov family traceable to Novgorod at the end of the 13th century.
Agni Yoga is a religious doctrine transmitted by Helena and Nicholas Roerich starting from 1920. Followers believe the teaching came from Master Morya and the authors state that cosmic laws determine planetary motion and human behavior.
The family conducted heroic Transhimalayan expeditions in Central Asia between 1924 and 1928 while traveling through Mongolia's Gobi Altai Mountains and Himalayan Mountains. They later settled in Kullu Valley where they established the Himalayan Institute of Scientific Studies.
George de Roerich died the 21st of May 1960 with his ashes placed in Moscow Novodevichy Cemetery. He was born August 1902 in Okulovka Novgorod Oblast and spent almost thirty years in India before returning to Russia in 1957.
World Organisation of Culture Health was founded year 1994 with Victor Skumin elected president-founder of international social movement To Health via Culture. The organization operates according charter registered Ministry Justice Russian Federation and publishes a journal based in Novocheboksarsk.