1909 – Born on the 9th of June in Riga, Latvia. British-Russian-Latvian-born author, philosopher, political scientist, and scholar.
– Educated at St Paul’s School, London, a private school.
– He was the first Jew to be elected to a prize fellowship at All Souls College, Oxford.
1921 – Immigrated to Britain.
1932 – He became a fellow of All Souls.
1940-1942 – Worked for the British Information Services in New York.
1945-1946 – Worked in British Information Services Moscow.
1956 – Married to Aline Halban de Gunzbourg.
1957 – Chichele Professor of Social and Political Theory at the University of Oxford.
1958 – Inaugural lecture, "Two Concepts of Liberty".
1963-1964 – President of the Aristotelian Society.
1966 – He helped to found Wolfson College, Oxford and became its first president.
1971 – Awarded the Order of Merit.
1974-1978 – President of the British Academy.
– Wrote the essay collections: "Russian Thinkers", "Concepts and Categories", "Against the Current", "Personal Impressions", "The Crooked Timber of Humanity" and "The Sense of Reality".
– His philosophical works included Karl Marx, Historical Inevitability, Two Concepts of Liberty, and Vico and Herder.
1979 – Received the Jerusalem Prize for writings on the theme of individual freedom in society.
1993 – His later works included The Crooked Timber of Humanity and The Magus of the North.
1997 – He died in Oxford on 5th of November and was buried in Wolvercote Cemetery, Oxford.