Martin Buber was a major 20th century Jewish philosopher and theologian. He was born in 1878 in Vienna and lived through World War I, the rise of Nazism, and the Holocaust before moving to Israel in 1938. Buber made significant contributions to Zionism, Jewish education, Hasidic literature, and theological thought. He is renowned for his philosophy of dialogue as expressed in his book I and Thou, which posited that relationships are based on recognition of others' inherent dignity. The document provides biographical context on Buber and outlines some of his major ideas that emerged in his letters and collaborations with other thinkers in the early phase of his career leading up to I and Thou.