<Tr> <Th> Movement </Th> <Td> Indian Independence Movement Indian revolutionary movement Hindu--German Conspiracy </Td> </Tr> <P> Manabendra Nath Roy (21 March 1887--26 January 1954), born Narendra Nath Bhattacharya, was an Indian revolutionary, radical activist and political theorist, as well as a noted philosopher in the 20th century . Roy was a founder of the Mexican Communist Party and the Communist Party of India . He was also a delegate to congresses of the Communist International and Russia's aide to China . Following the rise of Joseph Stalin, Roy left the mainline communist movement to pursue an independent radical politics . In 1940 Roy was instrumental in the formation of the Radical Democratic Party, an organisation in which he played a leading role for much of the decade of the 1940s . </P> <P> In the aftermath of World War II Roy moved away from Marxism to espouse the philosophy of radical humanism, attempting to chart a third course between liberalism and communism . </P> <Table> <Tr> <Td> Part of a series on </Td> </Tr> <Tr> <Th> Communism in India </Th> </Tr> <Tr> <Td> </Td> </Tr> <Tr> <Td> Personalities (show) <Ul> <Li> M.P.T. Acharya </Li> <Li> Abani Mukherji </Li> <Li> M.N. Roy </Li> <Li> P. Krishna Pillai </Li> <Li> Puran Chand Joshi </Li> <Li> A.K. Gopalan </Li> <Li> Ajoy Ghosh </Li> <Li> Puchalapalli Sundaraiah </Li> <Li> Bhupesh Gupta </Li> <Li> B.T. Ranadive </Li> <Li> Shripad Amrit Dange </Li> <Li> S.K. Limaye </Li> <Li> Shibdas Ghosh </Li> <Li> E.M.S. Namboodiripad </Li> <Li> Charu Majumdar </Li> <Li> T. Nagi Reddy </Li> <Li> Saroj Dutta </Li> <Li> Kondapalli Seetharamaiah </Li> <Li> E.K. Nayanar </Li> <Li> Geeta Mukherjee </Li> <Li> Mohit Sen </Li> <Li> Indrajit Gupta </Li> <Li> Vinod Mishra </Li> <Li> Ganapathy </Li> <Li> Harkishan Singh Surjeet </Li> <Li> Jyoti Basu </Li> <Li> V.S. Achuthanandan </Li> <Li> Sitaram Yechury </Li> </Ul> </Td> </Tr> <Tr> <Td> Colonial Period and Partition (show) <Ul> <Li> Labour Kisan Party </Li> <Li> Workers and Peasants Party </Li> <Li> Comrades Association </Li> <Li> Tebhaga movement </Li> <Li> Telangana Rebellion </Li> <Li> Communist Party of French India </Li> <Li> Lal Communist Party </Li> <Li> 2nd Party Congress </Li> </Ul> </Td> </Tr> <Tr> <Td> Cold War years (show) <Ul> <Li> Naxalbari uprising </Li> <Li> Srikakulam </Li> <Li> CPI (M-L) </Li> </Ul> </Td> </Tr> <Tr> <Td> Contemporary movements (show) <Ul> <Li> CPI (M) </Li> <Li> CPI </Li> <Li> CPI (ML) Liberation </Li> <Li> SUCI (C) </Li> </Ul> </Td> </Tr> <Tr> <Td> Other articles (show) <Ul> <Li> Lal Salam </Li> <Li> Communism in Kerala </Li> <Li> Lal Sena </Li> </Ul> </Td> </Tr> <Tr> <Td> Communism portal </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table>

Who has given the concept of radical humanism
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