Your TR Source
President Roosevelt is interested in Robert Williams Wood’s experiment in the telescope building. Concerning the boomerangs, Roosevelt thanks Woods, but apologizes that “they are out of the line of my sons and myself.”
Library of Congress Manuscript Division
1908-08-20
Theodore Roosevelt would like to see Abbott Handerson Thayer’s experiments while in New York City during the first week of December. However, he wishes Thayer would view his experiments from the practical standpoint that depending on the weather to prove them is contrary to what animals do. Additionally, animal coloration and concealment theories cannot go against established behavior patterns. Roosevelt elaborates on these and other points in his pamphlet. Thayer is welcome to visit Roosevelt at Oyster Bay. Record contains two copies of the letter, the final one and the original with edits.
Library of Congress Manuscript Division
1911-11-24
Theodore Roosevelt thanks Raymond Pearl for sending his scientific paper on protective coloration. Roosevelt praises the study as a valuable example of experimental work, while reflecting on its implications for theories of animal camouflage.
Library of Congress Manuscript Division
1911-09-07
Theodore Roosevelt introduces Richard Achilles Ballinger to William Beebe, curator of ornithology at the New York Zoological Park. Roosevelt praises Beebe’s work in collecting American birds and supports his request to collect migratory birds near lighthouses for the park’s collection. He urges Ballinger to grant permission and facilitate communication with the appropriate bureau.
Library of Congress Manuscript Division
1911-09-08
Theodore Roosevelt suggests his sons observe an experiment.
Library of Congress Manuscript Division
1915-01-21
William Beebe is asking for Theodore Roosevelt’s help in obtaining permission from the Government in New York to send a man to the lighthouse and catch a bird specimen for research. Beebe also tells Roosevelt a little bit about his current research.
Library of Congress Manuscript Division
1911-09-05
Raymond Pearl considers Theodore Roosevelt’s latest scientific paper on “Revealing and Concealing Coloration” to be a valuable contribution to the discussion regarding the topic, and offers his own thoughts and findings based on his own experiments that might be of interest to Roosevelt.
Library of Congress Manuscript Division
1911-08-31
In response to Theodore Roosevelt’s comment on “Millions for Knowledge” in this week’s edition of The Outlook, Eugene B. Webster proposes an experiment to scientifically determine whether the earth is convex, concave, or flat.
Library of Congress Manuscript Division
1911-02-04