Friedrich Wöhler
Chemist known for organic synthesis
Chemist known for organic synthesis
1882
144 years ago — 82 years old
Scientists & Innovators
Germany
Contributed significantly to the field of organic chemistry and is recognized for the synthesis of urea from ammonium cyanate in 1828. This experiment challenged the prevailing theory of vitalism and demonstrated that organic compounds could be created from inorganic substances. Wöhler also advanced the study of organic compounds, particularly in the areas of isomerism and coordination chemistry. His work laid foundational concepts for the modern understanding of chemical reactions and compounds.
Synthesis of urea from ammonium cyanate
Research on isomerism and coordination compounds
Contributions spanned philosophy, mathematics, and computer science. Challenged traditional views of mind and language. Developed influential ideas in functionalism and semantics. Engaged in discussions on the philosophy of mind and artificial intelligence. Published extensively, including works such as 'Reason, Truth and History' and 'Mind, Language and Reality'. Made significant contributions to the philosophy of mathematics and the philosophy of science. Led professional organizations and served in prominent academic roles.
Continue ReadingContributed significantly to the study of South African flora, specializing in the taxonomy of flowering plants. Held a strong interest in succulent plants, particularly those of the genera Crassula and Mesembryanthemum. Actively participated in botanical societies and education, fostering a deeper understanding of plant classification and conservation. Published numerous scientific papers and descriptions of new species, aiding in the advancement of botanical knowledge.
Continue ReadingA lawyer initiated the founding of Amnesty International in 1961 to advocate for human rights globally. The organization focused on preventing and addressing cases of unjust imprisonment and torture. Through commitment to the Universal Declaration of Human Rights, efforts contributed to the awareness of political prisoners and abuses. The organization's campaigns led to the release of numerous individuals and shifted perspectives on state-sponsored violence.
Continue ReadingA prominent civil rights leader, played a crucial role in advancing social justice and equality through the Urban League. Focused on expanding economic opportunities for African Americans, emphasized the importance of economic empowerment as a means to achieve civil rights. Worked closely with various organizations and governmental entities to influence policy. Made significant efforts in desegregating schools and workplaces, advocating for fair housing and employment practices. His leadership in the civil rights movement contributed to legislative advancements.
Continue ReadingPlayed in the National Hockey League from 1979 to 1999, primarily as a center. Won a Stanley Cup with the New York Islanders in 1980. Coached the major junior team, the London Knights, achieving significant success. Hall of Fame inductee recognized for leadership on and off the ice.
Continue ReadingA prominent Union general during the American Civil War, played a crucial role in several significant battles. Graduated from the United States Military Academy in 1840 and initially served in the Mexican-American War. Commanded Union forces at the Battle of Chickamauga and the Battle of Nashville, where decisive victories were achieved against Confederate troops. Earned the nickname 'Rock of Chickamauga' for steadfastness during the Battle of Chickamauga. After the war, served in various military roles, including overseeing the Department of the Cumberland.
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