Karl Marx called the Communist League. Both Marx and Engels participated in drawing up the programme and organisational principles of the new Communist League. In late 1847, Marx and Engels began writing what was to become their most famous work – a programme of action for the Communist League. Written jointly by Marx and Engels from December 1847 to January 1848, "The Communist Manifesto" was first published on 21 February 1848. "The Communist Manifesto" laid out the beliefs of the new Communist League. No longer a secret society, the Communist League wanted to make aims and intentions clear to the general public
Financial Modelers' Manifesto extensively about the risks related to financial models for several years before the crisis; for example: Emanuel Derman in 1996: Paul Wilmott in 2000: Financial Modelers' Manifesto The Financial Modelers' Manifesto was a proposal for more responsibility in risk management and quantitative finance written by financial engineers Emanuel Derman and Paul Wilmott. The manifesto includes a Modelers' Hippocratic Oath. The structure of the Financial Modelers' Manifesto mirrors that of "The Communist Manifesto" of 1848. The Manifesto and Oath were written in response to the Financial crisis of 2007–2010 with the collapse of subprime mortgages. A shortened version was published in