Geoffrey William Arnold Dummer MBE (1945), C. Eng., IEE Premium Award, FIEEE, MIEE, USA Medal of Freedom with Bronze Palm, was the first person to conceptualise the microchip, a.k.a the integrated circuit. During his career, Geoffrey created a series of journals capturing his personal journey, his fascination with engineering, and the discovery of the integrated circuit itself. See Wikipedia for more details.
His journals are available in digital format, sorted into 13 volumes, uploaded to Google Photos for all to see. All photos will be free to reuse and distribute as long as there is attribution to their author, Robert Cathles.