May 10

Born in 955, Abdul Aziz Billah ascended to the Fatimid throne at a young age following his father’s death. His reign saw significant military campaigns that expanded Fatimid influence in the Mediterranean. He was a patron of the arts and sciences, supporting scholars and fostering an environment of intellectual exchange in cities like Cairo and Tunis. Under his leadership, the Fatimid Caliphate reached new heights of economic prosperity and architectural achievement. Al-Aziz Billah’s rule is remembered for its effective administration and cultural renaissance within the Islamic world.

Yukteswar Giri was an Indian guru and educator renowned for his role in the Kriya Yoga tradition. Born in Serampore, he became a disciple of Lahiri Mahasaya and later instructed his own disciples, including Paramahansa Yogananda, author of 'Autobiography of a Yogi.' Yukteswar’s teachings emphasized the unity of Eastern and Western spiritual philosophies and the importance of meditation for self-realization. He established the Karar Ashram in Serampore, where he taught yoga, Vedanta, and astrology. His works, such as 'The Holy Science,' continue to inspire practitioners worldwide. Yukteswar’s blend of rigorous discipline and compassionate instruction left a lasting impact on modern yoga.

Karl Barth (1886–1968) was a Swiss Reformed theologian and author whose work revolutionized modern Christian theology. His landmark multi-volume work, "Church Dogmatics," redefined the relationship between Scripture, revelation, and human theology. Barth emerged as a leading voice against liberal theology and Nazism, emphasizing God's sovereignty and revelation in Christ. He co-edited the Barmen Declaration, opposing the German Christian movement's compromise with the Nazi regime. Barth taught at universities in Bonn, Münster, and Basel, influencing generations of theologians worldwide. His ideas continue to shape Protestant theology, ecumenical dialogues, and contemporary Christian ethics.