and i want to tell you a few words literally about this legendary personality , so henry marchin wasorn in london and studied at oxford school and westminster school of london later studied political science, philosophy , economics at the university of oxford, chose his future profession after a personal shock when his son was successfully cured of a brain tumor, he called it a moment of enlightenment and since then has operated on the human brain for 4 decades , retired in 2015 at the age of 65 henry mars became famous not only because of his successes in medicine, he is a teacher, the author of best-selling stories about life, death and neurosurgery and the diaries of a neurosurgeon, the heroes of documentaries, in particular an english surgeon who received an emmy award, he is among the most compassionate and humane figures of modern medicine and for the last three decades ukraine has been the main direction of international work of henry marchand, he spent his own money on medical equipment and training of our neurosurgeons and was the first in our country to perform an operation