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60495 Ernest Lenaerts looking at a LEO I teleprinter
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Description of Photograph Photograph of Ernest Lenaerts at work on LEO I at Cadby Hall.
(Kept with a second copy of the same photograph, slightly cropped at the bottom).
This image appears in the interactive plan for our Virtual LEO I installation, p15.
Research comments: Ernest Lenaerts was one of the key members of the LEO I team. In this photograph he is looking at a teleprinter adapted for 5 wire operations. Lenaerts, initially based at Cambridge with the EDSAC machine, worked with John Pinkerton on plans for building LEO and they, together with Ernest Kaye and Ray Shaw, were responsible for most of the circuit development for the calculator. This is an early photo, likely taken c1950. The valve racks in front of Lenaerts are quite undeveloped. (CM/LM) Provenance Date: c1950 Physical Description: 2 photographic prints; black and white Archives Hub References: CMLEO/PB/PH/1/60495 PJB/3/2/34B; PJB/3/2/34C Other References: DCMLEO20190510025 Comment on This Photograph This exhibit has a reference ID of CH60495. Please quote this reference ID in any communication with the Centre for Computing History. 
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