Bidspirit auction | Cosmonaut Charles Simonyi hand signed

Cosmonaut Charles Simonyi hand signed 8x10 glossy Sokol portrait. Space missions: Soyuz TMA-14, Soyuz TMA-10, Soyuz TMA-13, Soyuz TMA-9. Charles Simonyi is a Hungarian American software architect. He introduced the graphical user interface to Bill Gates for the first time who later described it as the first of two revolutionary things he felt in his life. Good condition. All autographs come with a Certificate of Authenticity. We combine postage on multiple winning lots and can ship worldwide. UK postage from £5.99, EU from £7.99, Rest of World from £9.99