"We may conclude from the Rossman study that the most creative age for invention is in the high thirties and low forties."
- from Inventors and Inventions by C. D. Tuska
Linda Hall Library Research Specialists are available all hours that the Library is open. 9-5 Central Time, Monday through Friday.
Call: 800.662.1545 or 816.926.8701
Email us at firstname.lastname@example.org or use the Reference Request Form.
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