Giangiacomo Feltrinelli son still run "Feltrinelli Editore" together. In the post-war period Feltrinelli had joined the Italian Socialist Party (PSI) before moving to the Italian Communist Party (PCI), which he left in 1957. Feltrinelli spent the Sixties travelling the world and making links with various radical Third World leaders and guerrilla movements. In the Cuban house of the photographer Alberto Korda, Feltrinelli saw and was given the iconic photo of Che Guevara now seen everywhere. Within six months of Che’s assassination, Feltrinelli sold over two million posters bearing the image. In 1964, Feltrinelli met the leader of the Cuban revolution, Fidel Castro.
Chris Korda first color 3D printer in 2004. Korda created in 2005 the VJ software Whorld, an open-source visualizer that utilizes math in order to create psychedelic animation and artwork. In 2006, Korda released FFRend, a "Parallel-processing renderer for Freeframe V1 video effect plugins". In 2008, Korda designed Fractice, a fractal renderer. Korda is also an inventor of music software, such as Waveshop (2013), a bit-perfect lossless free audio editor, reviewed in several websites. She is also the creator of ChordEase (2014). This is a free software that is compatible with any MIDI instrument and essentially it makes notes easier to play.