Witness

In 1946, one of the world’s first electronic computers was unveiled in Philadelphia, in the USA. It was called the Electronic Numerical Integrator and Computer, or ENIAC, and was initially designed to do calculations for ballistics trajectories. It was programmed by six female mathematicians. Rachel Naylor speaks to Gini Mauchly Calcerano, whose dad John Mauchly co-designed it, and whose mum, Kay McNulty, was one of the programmers. Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from football in Brazil, the history of the ‘Indian Titanic’ and the invention of air fryers, to Public Enemy’s Fight The Power, subway art and the political crisis in Georgia. We look at the