Who among the following wrote The Philosophy of the Bomb?

Who among the following wrote The Philosophy of the Bomb?

Sukhdev
Chandrashekhar Azad
Bhagwati Charan Vohra
Bhagat Singh
This question was previously asked in
UPSC CDS-2 – 2020
Bhagwati Charan Vohra wrote “The Philosophy of the Bomb”.
“The Philosophy of the Bomb” was a significant manifesto of the Hindustan Socialist Republican Association (HSRA). It was written by Bhagwati Charan Vohra in consultation with Bhagat Singh and others, and it was published in 1929 as a response to Mahatma Gandhi’s article “The Cult of the Bomb”.
The manifesto articulated the revolutionary perspective on violence as a necessary tool for achieving independence and social revolution, contrasting it with Gandhi’s philosophy of non-violence. Bhagwati Charan Vohra was a prominent revolutionary and theorist within the HSRA.