Karl Lashley
Psychologist and behaviorist, engram theory
Psychologist and behaviorist, engram theory
1958
68 years ago — 68 years old
Scientists & Innovators
United States
Contributions focused on understanding the neurological basis of learning and memory. Formulated the concept of engrams, which are physical traces of memory in the brain. Conducted research on brain lesions and their effects on behavior. Proposed that memories are not located in specific areas but distributed across multiple regions of the brain. His work laid foundational aspects for future studies in neuropsychology and behaviorism.
Developed the theory of engrams
Conducted pioneering research on memory
Investigated learning processes in animals
An American tropical fish expert and entrepreneur, contributed significantly to the pet industry through various publications. Founded the Tropica Aquarium, which became a leading source for aquarium-related materials. Authored numerous books on fish care and aquarium management, aiding both beginners and experienced aquarists. Established aquarium trade conventions, fostering connections among hobbyists and professionals in the industry.
Continue ReadingA prominent photographer, focused on capturing the lives of ordinary people in rural America during the 1930s and 1940s. Worked for the Farm Security Administration, documenting the challenges and realities faced by those affected by the Great Depression. Photographs showcased daily labor, community life, and significant social issues. Her work contributed to a deeper understanding of American life during this period.
Continue ReadingBorn in 1896, a lieutenant and pilot served in the United States Army Air Service during World War I. Participated in significant air combat missions, contributing to the war efforts in Europe. Achieved recognition for aerial combat prowess and was one of the first American pilots to score a victory in the air. After the war, continued a career in aviation, advocating for the development of military aviation techniques and training.
Continue ReadingBorn in 1943, this American poet and writer contributed significantly to contemporary literature and civil rights. The author's work often explores themes of race, gender, and identity, reflecting the African American experience. Giovanni's poetry first gained attention with the release of 'Black Feeling, Black Talk' in 1968. Throughout her career, she has published numerous collections, essays, and children's books, establishing a prominent voice in literature. Giovanni has also served as a professor at Virginia Tech, influencing a new generation of writers and activists through her teachings and public speaking engagements.
Continue ReadingAn engineer focused on aerodynamics, developed the Coandă-1910, which is recognized as one of the world's first turbojet aircraft. The design contributed to the understanding of jet propulsion and the use of airflow in aviation. Coandă's innovations in fluid dynamics advanced various aspects of engineering and influenced future aircraft designs. Additionally, worked on numerous projects related to aeronautics and established a legacy in the field of aviation technology.
Continue ReadingRuled as king from 1521 until 1557. His reign saw significant expansion of Portuguese territories and influence. Sponsored exploration and the establishment of colonies, particularly in Brazil. Encouraged the spread of Christianity in newly acquired lands. Implemented reforms in the governance of the Portuguese Empire. Promoted economic development through trade and agriculture.
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