E.S.R., Inc.
id:
e-s-r-inc-198-11533287
title:
E.S.R., Inc.
text:
E.S.R., Inc. was an American manufacturer of educational toys during the 1960s. The company’s founders included William H. Duerig and Irving J. Lieberman, both involved in missile research at Kearfott Guidance in New Jersey, and C. David Hogan, an engineering student at Stevens Institute of Technology. Together the three brainstormed Lieberman’s concept for a simple mechanical computer, and showed a prototype at the annual Toy Fair in New York City. With encouragement from toy buyers, the three
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/E.S.R.,_Inc.
date created:
date modified:
2024-02-19T06:02:25Z
main entity:
{"identifier":"Q5321658","url":"https://www.wikidata.org/entity/Q5321658"}
image:
fields total:
13
integrity:
13