Humboldt Alexander von

Hum·boldt

 (hŭm′bōlt′, ho͝om′bôlt′), Baron (Friedrich Heinrich) Alexander von 1769-1859.
German scientist whose expeditions to Latin America (1799-1804) and Siberia (1829) greatly advanced the fields of ecology, geology, and meteorology.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Hum·boldt

(hŭm′bōlt′), Baron (Friedrich Heinrich) Alexander von 1769-1859.
German naturalist and writer. He undertook scientific expeditions in South America, Asia, and Europe and published works recording his observations. Humboldt made important contributions to the study of volcanoes, mountain ranges, ocean currents, and the relation of climate to plant growth.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.