Andrew Ellicott Douglass
Date of Birth  :
July 5, 1867 – March 20, 1962
Place of Birth  :
Windsor, Vermont
Country  :
United States
Field of Expertise  :
Dendrochronology
Educational background  :
Degree in dendrochronology
Acheivements / Contributions  :

  • Douglass discovered a possible relationship between climate and plant growth.

  • Douglass founded the discipline of dendrochronology, which is a method of dating wood by looking at the growth ring pattern.

  • In 1911 he found matching records among trees felled around 50 miles to the southwest which prompted his study of the great Sequoias.

  • His dendroarchaeological techniques have been used to date structures around the world

source:Andrew Ellicott Douglass

Bibliography  :
Climatic Cycles and Tree-Growth, Issue 289,&Nbsp;Volume 1,The Secret Of The Southwest Solved By Talkative Tree Rings, A gold ornament from Florida.