1956 – Mechanical Animal – William Robert “Bert” Sutherland / Ivan E. Sutherland – (American)

 This copy of a letter from 1957 describes the first "Mechanical Animal" built by the Sutherland brothers, Bert and Ivan.     Here’s a transcript of the letter sent from Ivan E. Sutherland to Grey Walter in 1957: Nov 10. [IES  to WGW] “Dear Sir: Early last month I had sent to you two copies of …

1953 – Timothy Turtle – Jack Kubanoff (American)

1953 – Timothy Turtle by  Jack H. Kubanoff, Radio and Television News, April 1953 The text to the article is below. For the moment, the pages themselves can be found here. The article itself has a good description of its functionality.  Some of its functionality reminds me of Berkeley's Squee i.e. flashing lamps controlling the …

1951 – La Tortue Cybernetique (Cybernetic Tortoise) – Paul-Alain Amouriq (French)

In late 1951, Paul-Alain Amouriq, a Frenchman then aged 17, built a cybernetic tortoise inspired by Grey Walter's as published in a French science magazine Science et Vie (February 1951). Several years later Science et Vie became aware of Amouriq's tortue, and Pierre de Latil visited him and the subsequent article was published in the March …

Grey Walter’s Tortoises – Batteries, Re-charging, Hutches and Autonomy

A significant feature of the tortoises is so often referred to as "An Imitation of Life".  As well as their behaviour, the tortoises construction  had to be such that autonomy could be exhibited. This is somewhat driven by the technology and parts available at the time. For Grey Walter's purposes, the models had to be self-contained …

W. Grey Walter, Edmund C. Berkeley, Ivan E. Sutherland and the Tortoise

Who is Ivan E. Sutherland? Ivan was born in 1938, Nebraska, USA and is a computer pioneer, inventing Sketchpad, being the first what we now call a Graphical User Interface (GUI). He also built a walking machine, but that will be the subject to another post later. As an under-graduate student, Ivan, with his elder brother …