American-Israeli Cooperative Enterprise
Jewish Virtual Library: Hannah Arendt
An excellent and thoroughly detailed biography of Arendt's life. Includes philosophical ideas, her relationship with Heidegger, and the establishment of her own important work and career.
Other
The Case of Martin Heidegger, Part Two
Second of three. An excellent and thorough treatment of Heidegger's involvement with German National Socialism.
Other
The Case of Martin Heidegger, Part Three
The third and final part of this excellent series on Heidegger's Nazi involvement.
Other
The Case of Martin Heidegger, Philosopher and Nazi
Part One of an outstanding three-part series on Heidegger's involvement with the Nazi party. Seems a level-headed and impartial treatment of a potential explosive topic.
Wikimedia
Wikipedia: Martin Heidegger
Wikipedia offers detailed biographical information on German philosopher, Martin Heidegger (1889-1976 CE).
Other
Existential Primer: Introduction to Existentialism
An excellent resource when first beginning to research Existentialism. Includes links to other sites on Existentialism.
Other
1889 1976 Martin Heidegger
Chronological biography of controversial 20th century philosopher Martin Heidegger. In German only.
Curated OER
Heidegger
This site provides a brief biography and intro into the life of existentialist philosopher Martin Heidegger. Provided are numerous links to text documents of his works and philosophies.