In October of 2016, Yeadon ran a workshop at the National museum of computing in Bletchley Park, Milton Keyes. A gallery of this workshop can be found here. A video made by NMOC “The story of the WITCH, the world’s oldest working digital computer” features Yeadon. View it here.

John’s “lost” painting, “Portrait of a Dead WITCH”, has been rediscovered! This rare portrait of an early computer has been located after a plea by the artist and The National Museum of Computing, where the computer itself has been fully restored to working order. Kaldip Bhamber, an art lover, recently bought the huge painting to display in her Jam Street Café Bar in Manchester, a city renowned for its early computer heritage. The photo shows the painting in its current […]

My Little Kafkaesque Story. My ‘Portrait of a Dead Witch’, a 9ft x 7ft painting from 1983, is of the Witch computer. The Harwell Dekatron/Witch computer was built in 1949 and first ran in 1951, it was titled Witch (Wolverhampton Instrument for Teaching Computing from Harwell) when it moved from Harwell to Wolverhampton and Staffordshire Technical College in 1957. From 1973 to 1997 the defunct machine formed part of the exhibition in Birmingham Museum of Science and Industry, where in […]