Scientists at Waseda University in Japan built the world's first humanoid robot in 1973. They called it the 'WABOT', the Waseda robot. It could see, walk and even talk. It was a huge leap forward in the history of artificial intelligence and robotics. Dr Hiromichi Fujisawa tells Ben Henderson how he was tasked with making the robot speak.

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.

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(Photo: Leader of the project, Professor Ichiro Kato, with WABOT-1. Credit: Future Robotics Organization/Waseda University)