Nikolai Berdyaev

Nikolai Alexandrovich Berdyaev (; ;  – 24 March 1948) was a Russian philosopher, theologian, and Christian existentialist who emphasized the existential spiritual significance of human freedom and the human person. Alternative historical spellings of his surname in English include "Berdiaev" and "Berdiaeff", and of his given name "Nicolas" and "Nicholas". Provided by Wikipedia