Hemchandra Kanungo

Hemchandra Das Kanungo (4 August 1871 – 8 April 1951) was an Indian nationalist and a member of the Anushilan Samiti. Kanungo travelled to Paris in 1907, where he learnt the technique of assembling picric acid bombs from exiled Russian revolutionaries. Kanungo's knowledge was disseminated throughout Indian nationalist organisations in the Raj and abroad. In 1908, Kanungo was one of the principal co-accused with Aurobindo Ghosh in the Alipore Bomb Case (1908–09). He was sentenced to transportation for life in the Andamans, but was released in 1921.

He was probably the first revolutionary from India who went abroad to obtain military and political training. He obtained training from the Russian emigre in Paris. He returned to India in January 1908. He opened a secret bomb factory "Anushilon Samiti" at Maniktala near Kolkata, founder members of which were Hemchandra Kanungo, Aurobindo Ghosh (Sri Aurobindo) and his brother, Barindra Kumar Ghosh. He was one of the creators of the Calcutta flag, based on which the first flag of independent India was raised by Bhikaiji Cama on 22 August 1907 at the International Socialist Conference in Stuttgart, Germany.