Background: Sven Anders Hedin, KNO1kl RVO, (19 February 1865 - 26 November 1952) was a Swedish geographer, topographer, explorer, photographer, travel writer, and illustrator of his own works. During four expeditions to Central Asia, he made the Transhimalaya known in the West and located sources of the Brahmaputra, Indus and Sutlej Rivers. He also mapped lake Lop Nur, and the remains of cities, grave sites and the Great Wall of China in the deserts of the Tarim Basin. In his book Fran pol till pol (From Pole to Pole), Hedin describes a journey through Asia and Europe between the late 1880s and the early 1900s.
Context: Hedin's conservative and pro-German views eventually translated into sympathy for the Third Reich, and this would draw him into increasing controversy towards the end of his life. Adolf Hitler had been an early admirer of Hedin, who was in turn impressed with Hitler's nationalism. He saw the German leader's rise to power as a revival of German fortunes, and welcomed its challenge against Soviet Communism. He was not an entirely uncritical supporter of the Nazis, however. His own views were shaped by traditionalist, Christian and conservative values, while National Socialism was in part a modern revolutionary-populist movement. Hedin objected to some aspects of National Socialist rule, and occasionally attempted to convince the German government to relent in its anti-religious and anti-Semitic campaigns. Hedin met Adolf Hitler and other leading National Socialists repeatedly and was in regular correspondence with them. The politely-worded correspondence usually concerned scheduling matters, birthday congratulations, Hedin's planned or completed publications, and requests by Hedin for pardons for people condemned to death, and for mercy, release and permission to leave the country for people interned in prisons or concentration camps. In correspondence with Joseph Goebbels and Hans Drager, Hedin was able to achieve the printing of the Daily Watchwords year after year. The Nazis attempted to achieve a close connection to Hedin by bestowing awards upon him. They asked him to present an address on Sport as a Teacher at the 1936 Summer Olympics in Berlin's Olympic stadium. They made him an honorary member of the German-Swedish Union Berlin (German: Deutsch-Schwedischen Vereinigung Berlin e.V.) In 1938, they presented him with the City of Berlin's Badge of Honor (German: Ehrenplakette der Stadt Berlin). For his 75th birthday on 19 February 1940 they awarded him the Order of the German Eagle; shortly before that date it had been presented to Henry Ford and Charles Lindbergh. On New Year's Day 1943 they released the Oslo professor of philology and university rector Didrik Arup Seip from the Sachsenhausen concentration camp at Hedin's request in order to obtain Hedin's agreement to accept additional honors during the 470th anniversary of Munich University. On 15 January 1943, he received the Gold Medal of the Bavarian Academy of Sciences (Goldmedaille der Bayerischen Akademie der Wissenschaften). On 16 January 1943 he received an honorary doctorate from the faculty of natural sciences of Munich University. On the same day, the Nazis founded in his absence the Sven Hedin Institute for Inner Asian Research located at Mittersill Castle, which was supposed to serve the long-term advancement of the scientific legacy of Hedin and Wilhelm Filchner as Asian experts. However, it was instead misused by Heinrich Himmler as an institute of the Research Association for German Genealogical Inheritance (Forschungsgemeinschaft Deutsches Ahnenerbe e.V.). On 21 January 1943, he was requested to sign the Golden Book of the city of Munich. Hedin supported the Nazis in his journalistic activities. After the collapse of Nazi Germany, he did not regret his collaboration with the Nazis because this cooperation had made it possible to rescue numerous Nazi victims from execution, or death in extermination camps.
Question: was he involved of any killings?
Answer:

Problem: Background: Devika Rani Chaudhuri, usually known as Devika Rani (30 March 1908 - 9 March 1994), was an actress in Indian films who was active during the 1930s and 1940s. Widely acknowledged as the first lady of Indian cinema, Devika Rani had a successful film career that spanned 10 years. Born into a wealthy, anglicized Indian family, Devika Rani was sent to boarding school in England at age nine and grew up in that country. In 1928, she met Himanshu Rai, an Indian film-producer, and married him the following year.
Context: Najm-ul-Hassan was also Devika's co-star in the studio's next venture, Jeevan Naiya. The two co-stars developed a romantic relationship, and during the shooting schedule of Jeevan Naiya, Devika eloped with Hassan. Himanshu was both enraged and distraught. Since the leading pair were absent, production was stalled. A significant portion of the movie had been shot and a large sum of money, which had been taken as credit from financers, had been spent. The studio therefore suffered severe financial losses and a loss of credit among bankers in the city while the runaway couple made merry. Sashadhar Mukherjee, an assistant sound-engineer at the studio, had a brotherly bond with Devika Rani because both of them were Bengalis and spoke that language with each other. He established contact with the runaway couple and managed to convince Devika Rani to return to her husband. In the India of that era, divorce was legally almost impossible and women who eloped were regarded as no better than prostitutes and were shunned by their own families. In her heart of hearts, Devika Rani knew that she could not secure a divorce or marry Hassan under any circumstances. She negotiated with her husband through the auspices of Sashadhar Mukherjee, seeking the separation of her finances from those of her husband as a condition for her return. Henceforth, she would be paid separately for working in his films, but he would be required to single-handedly pay the household expenses for the home in which both of them would live. Himanshu agreed to this, in order to save face in society and to prevent his studio from going bankrupt. Devika Rani returned to her marital home. However, things would never be the same between husband and wife again, and it is said that thenceforth, their relationship was largely confined to work and little or no intimacy transpired between them after this episode. Despite the additional expense involved in re-shooting many portions of the film, Himanshu Rai replaced Najm-ul-Hassan with Ashok Kumar, who was the brother of Sashadhar Mukherjee's wife, as the hero of Jeevan Naiya. This marked the debut, improbable as it may seem, of Ashok Kumar's five-decade-long career in Hindi films. Najm-ul-Hassan was dismissed from his job at Bombay Talkies (this was the period in which actors and actresses were paid regular monthly salaries by one specific film studio and could not work in any other studio). His reputation as a dangerous cad established, he could not find work in any other studio. His career was ruined and he sank into obscurity.
Question: Who is he?
Answer:
Najm-ul-Hassan was also Devika's co-star in the studio's next venture, Jeevan Naiya.