Alfred Tarski
Mathematician and philosopher, truth theory
Mathematician and philosopher, truth theory
1983
43 years ago — 82 years old
Thinkers & Philosophers
United States
A prominent Polish-American mathematician and philosopher contributed significantly to logic, semantics, and the philosophy of language. Developed the concept of truth in formalized languages and made substantial advancements in model theory and algebra. Worked during a time of great change in mathematics and philosophy, influencing the development of mathematical logic and foundational studies. Published numerous papers and several influential books on logic and mathematics that remain prominent in educational curricula. Held academic positions at various universities, promoting the rigor of mathematical foundations.
Developed formal theories of truth
Contributed to model theory and semantics
A prominent German theologian and pastor, significant for vocal opposition to the Nazi regime. Initially supportive of Adolf Hitler, later became a critic of the regime's persecution of Jews. Established the Confessing Church, which stood against the Nazi-influenced German Evangelical Church. Imprisoned for seven years in concentration camps due to his resistance. After World War II, focused on reconciliation and addressing issues of faith and peace.
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