John D. Hamaker
id:
john-d-hamaker-193-3969906
title:
John D. Hamaker
text:
John D. Hamaker (1914–1994), was an American mechanical engineer, ecologist, agronomist and science writer in the fields of soil regeneration, rock dusting, mineral cycles, climate cycles and glaciology.
brand slug:
wiki
category slug:
encyclopedia
description:
Mechanical engineer, ecologist, agronomist (1914–1994)
original url:
https://en.wikipedia.org/wiki/John_D._Hamaker
date created:
date modified:
2024-02-03T20:44:19Z
main entity:
{"identifier":"Q6228169","url":"https://www.wikidata.org/entity/Q6228169"}
image:
fields total:
13
integrity:
14