Babu Divakaran is an Indian politician and a former Minister from the state of Kerala.
 He was born in Pattathanam, Kollam.
 on 5 November 1952 as son of formar Kerala minister T.K.Divakaran.
 He started his political career in Revolutionary Socialist Party.
 When RSP split, he joined Revolutionary Socialist Party (Bolshevik) along with Baby John, Shibu Baby John, and A.V. Thamarakshan.
 When RSP (B) split in 2005, he formed Revolutionary Socialist Party (Marxist).
Revolutionary Socialist Party (Leninist) is a political party in the Indian state of Kerala.
 Revolutionary Socialist Party (Leninist) is formed as a splinter group from Revolutionary Socialist Party in Kerala in 2016.
 The party leader at the time of its formation was Kovoor Kunjumon, formerly an important RSP leader in Kerala.
Karl Marx ( ; ] ; 5 May 1818 – 14 March 1883) was a German philosopher, economist, political theorist, sociologist, journalist and revolutionary socialist.
2807 Karl Marx, provisional designation 1969 TH, is a carbonaceous Dorian asteroid from the central region of the asteroid belt, approximately 17 kilometers in diameter.
 It was discovered on 15 October 1969, by Russian astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj on the Crimean peninsula.
 The asteroid was later named for revolutionary socialist Karl Marx.
Karl Theodor Ferdinand Grűn (] ; 30 September 1817 – 18 February 1887), also known by his alias Ernst von der Haide, was a German journalist, political theorist and socialist politician.
 He played a prominent role in radical political movements leading up to the Revolution of 1848 and participated in the revolution.
 He was an associate of Heinrich Heine, Ludwig Feuerbach, Pierre-Joseph Proudhon, Karl Marx, Mikhail Bakunin and other radical political figures of the era.
 Though less widely known today, Grün was an important figure in the German "Vormärz", Young Hegelian philosophy and the democratic and socialist movements in nineteenth-century Germany.
 As a target of Marx' criticism, Grün played a role in the development of early Marxism; through his philosophical influence on Proudhon, he had a certain influence on the development of French socialist theory.
Peter Josef Dietzgen (October 28, 1828April 15, 1888) was a German socialist philosopher, Marxist and journalist.
 Joseph was born in Blankenberg in the Rhine Province of Prussia.
 He was the first of five children of father Johann Gottfried Anno Dietzgen (1794–1887) and mother Anna Margaretha Lückerath (1808–1881).
 He was, like his father, a tanner by profession; inheriting his uncle's business in Siegburg.
 Entirely self-educated, he developed the notion of dialectical materialism independently from Marx and Engels as an independent philosopher of socialist theory.
 His publications had major influences on Vladimir Lenin and the Russian Revolution of 1917, which are rarely commented on today.
 Ludwig Feuerbach's works had a great influence on his early theories.
 He had one son, Eugene Dietzgen.
For Marx (French: "Pour Marx" ) is a 1965 book by Louis Althusser, a leading theoretician of the French Communist Party.
 Althusser reinterprets the work of Karl Marx, proposing an epistemological break between the young Hegelian Marx, and the old Marx, the author of "Capital".
 One of Althusser's chief works, "For Marx" was first published in 1965, with an English translation in 1969.
 The work has been criticized by many scholars, and also by Althusser himself, who later believed he had neglected the class struggle.
Karl Marx; 5 May 1818 – 14 March 1883) was a German philosopher, economist, sociologist, journalist, and revolutionary socialist.
 Born in Trier to a middle-class family, he later studied political economy and Hegelian philosophy.
Karl Marx (5 May 1818 – 14 March 1883) was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist.
 Marx's work in economics laid the basis for the current understanding of labour and its relation to capital, and has influenced much of subsequent economic thought.
 He published numerous books during his lifetime, the most notable being "The Communist Manifesto" (1848) and "Das Kapital" (1867–1894).
Constantin Pecqueur (26 October 1801 – 17 December 1887) was a French economist, socialist theoretician and politician.
 He participated in the Revolution of 1848 and influenced Karl Marx.

Question: In which year did the French economist, socialist, theoretician and politician, who was a great influence on the German philosopher, economist and revolutionary socialist Karl Marx, participate in the Revolution?
Answer: 1848