Max Pearson presents a collection of the week’s Witness History episodes, all about events which happened in 1995. First, we hear how Microsoft launched Windows 95 after a $300 million marketing campaign. Our expert guest is Dr Lisa McGerty – Chief Executive of the Centre for Computing History in Cambridge.Next, after 17 years terrorising America, we hear about the hunt for the Unabomber. Plus, the sarin gas attack on a Tokyo metro, carried out by members of a doomsday cult.Finally, how China exerted its influence over Tibetan Buddhism’s leadership. Contributors: Sarah Leary – project manager for Microsoft.Dr Lisa McGerty – Chief Executive of the Centre for Computing History.Carmine Gallo – police officer.Dr Kathleen Puckett – FBI agent.Atsushi Asakahara – metro passenger.Arjia Rinpoche – senior Tibetan Lama.(Photo: People lined up by US Microsoft Windows 95 exhibit. Credit: Forrest Anderson/Getty Images)