German monk Martin Luther challenged the dogmas of Roman Catholicism and the authority of the pope, in his Ninety-five Theses, and was thus excommunicated. His German translation of the Bible enriched the German culture, and his marriage set an example for clerical marriage. His teachings are now known as Lutherans.
Saint Augustine was a philosopher, theologian, and the bishop of Hippo Regius in Roman North Africa. His writings are often credited with influencing the growth of Western Christianity and Western philosophy. He is also regarded as one of the Latin Church's most important Church Fathers in the Patristic Period. Among his many important works are Confessions and On Christian Doctrine.
An Italian Catholic friar, deacon, mystic, and preacher, St Francis of Assisi was the founder of the men's Order of Friars Minor and the women's Order of Saint Clare. He arranged for the first Christmas live nativity scene in 1223. Also known as Francesco, he is one of the most venerated religious figures in Christianity.
Religious leader Joseph Smith Jr. is known as the founder of the Mormonism and the Latter Day Saint movement. He also published the Book of Mormon. He established his communities in Ohio and Missouri and eventually founded the city Nauvoo in Illinois, which became the center of his spiritual activities.
French theologian, pastor, and reformer John Calvin was a major figure during the Protestant Reformation in the 16th century. He was influential in the development of the system of Christian theology later called Calvinism. Originally trained as a humanist lawyer, he broke from the Roman Catholic Church to embrace Protestantism. As an apologetic writer, he generated much controversy.
John Wesley was an English cleric, evangelist, and theologian. He is best remembered for leading a revival movement called Methodism within the Church of England. He is credited with founding societies that eventually became the dominant form of the Methodist movement, which remains relevant today. He continues to be the main theological influence on Methodists all over the world.
Saint Ignatius of Loyola was a Spanish Basque Catholic priest and theologian in the 16th century. He was one of the founders of the religious order called the Society of Jesus and served as its first Superior General at Paris. He was an inspired spiritual director and the founder of what is today known as "Ignatian spirituality."
Teresa of Ávila, also known as Saint Teresa of Jesus, was a Spanish noblewoman who later turned into a Carmelite nun. She was posthumously named a Doctor of the Church. She co-established the Discalced Carmelite Order. Her written works include The Interior Castle and her own autobiography.
11 John Knox
John Knox was a Scottish minister, writer, and theologian. Knox, who played a major role in the Scottish Reformation, is also credited with founding the Presbyterian Church of Scotland. Considered a major contributor to the field of theology, John Knox's statue stands tall at New College in the University of Edinburgh, UK.
Born as an illegitimate child of a priest from Rotterdam, Desiderius Erasmus later grew up to be a significant figure of the northern Renaissance. He is remembered for his research on free will and for being the first to edit the New Testament, replacing traditional elements with new-age humanism.
Jonathan Edwards was an American philosopher, revivalist preacher, and Congregationalist Protestant theologian. Considered one of America's most prominent and influential philosophical theologians, Jonathan Edwards played a major role in shaping the Evangelical Revival of the 1730s and 1740s. His theological work is credited with paving the way for a new school of theology called the New England theology.
Origen was an early Christian ascetic, scholar, and theologian. Also a prolific writer, Origen wrote as many as 2,000 treatises, including biblical exegesis, textual criticism, biblical hermeneutics, spirituality, and homiletics. Origen is widely considered one of the most prominent Christian theologians, although his teachings on the existence of souls were vehemently rejected by the Church.
Pope Gregory I served as the bishop of Rome from 590 until his death in 604. He is best remembered for sending the Gregorian Mission to Britain, which was successful in converting the Anglo-Saxons to Christianity. He is also credited with developing the Divine Liturgy of the Presanctified Gifts and is widely regarded as its de facto author.
Born to pagan parents in North Africa, Tertullian was initially gearing up to be a lawyer. Following his conversion to Christianity in Rome at about 40, he became a leader of the African church and wrote several Christian treatises, to eventually become the father of Latin Christianity.
Ignatius of Antioch went down in history as a man who was arrested and executed for his non-allegiance to Roman gods. The seven letters he wrote while being escorted from Antioch to Rome as a prisoner later served as a mirror that reflected his concern for Christianity, against false teachings.
Bernard of Clairvaux, or Saint Bernard, was a 12th-century Burgundian monk, who became the abbot of the abbey of Clairvaux, founded by him. He chose to live a life of physical austerities, which caused him ailments such as anemia. He is revered as the patron saint of beekeepers and candlemakers.
The founder of the Ramakrishna Mission and Ramakrishna Math, Swami Vivekananda was an Indian Hindu monk, philosopher, and spiritual leader. He is credited with introducing the Indian philosophies of Yoga and Vedanta to the Western world. He is also credited with elevating the status of Hinduism as a major religion in the modern world by raising interfaith awareness.
Albertus Magnus was a friar, bishop, and philosopher. Regarded by some as the greatest German theologian and philosopher of the Middle Ages, Albertus' writings have inspired the iconography of the archivolts and tympanum of the 13th-century portal of Strasbourg Cathedral. Remembered for his contribution to academics, several education institutions have been named after Albertus Magnus.
Medieval French philosopher, theologian, and poet Peter Abelard was born to a knight but gave up his inheritance to study philosophy and logic. He fell in love with his pupil, Héloïse, but her uncle got Abelard castrated, following which Abelard became a monk and made Héloïse a nun.
Ahmad ibn Hanbal was an Arab Muslim theologian, jurist, hadith traditionist, and ascetic. He is credited with founding one of the four prominent legal schools of Sunni Islam, the Hanbali school of Sunni jurisprudence. A highly active and influential scholar, Ahmad ibn Hanbal is widely regarded as one of the most respected intellectual personalities in the history of Islam.
Chanakya was an ancient Indian philosopher, teacher, jurist, economist, and royal advisor. Widely regarded as the pioneer of economics and political science in India, Chanakya is believed to have played a key role in the formation of the great Maurya Empire. He authored the ancient Indian political treatise, the Arthashastra, which is considered as one of the seminal texts on statecraft.
29 Paul Tillich
German-American theologian and philosopher Paul Tillich is remembered for his work in the field of Christian existentialism and for concepts such as the method of correlation. His notable works, such as The Courage to Be and the three-volume Systematic Theology, has inspired intellectual thinkers and commoners alike.
31 Desmond Tutu
Thirteenth-century Portuguese Catholic priest Anthony of Padua was the friar of the Franciscan Order. He is remembered for his self-less devotion to the poor and the sick and is revered as the patron saint of lost items. He was declared a Doctor of the Church in 1946.
35 William Penn
William Penn was a writer and one of the earliest members of the Quakers. He is credited with founding the Province of Pennsylvania. He also oversaw the planning and development of the city of Philadelphia. Penn has several universities and schools named in his honor, including the William Penn University in Iowa.
Bonaventure was an Italian philosopher, scholastic theologian, and Franciscan. A prominent philosopher, Bonaventure wrote on various subjects and his writings are considered substantial. Bonaventure, who served as the Cardinal Bishop of Albano, was canonized by Pope Sixtus IV on 14 April 1482.
40 George Pell
English scholar, William Tyndale, became a leading figure in the Protestant Reformation in the 16th century. He is known for translating the Bible into English. An active writer, he wrote extensively on political issues and religion. He was accused of heresy and condemned to be burned to death. Executed in 1536, he is honored as a martyr.
Paramahansa Yogananda was an Indian Hindu monk, yogi, and guru. He is known for introducing the teachings of meditation and Kriya Yoga through his organization Self-Realization Fellowship (SRF) / Yogoda Satsanga Society (YSS) of India to millions across the world. He authored the book Autobiography of a Yogi and is considered the Father of Yoga in the West.
Albert Schweitzer was an Alsatian polymath who won the Nobel Peace Prize in 1952 for his philosophical work, Reverence for Life. He is credited with founding the Albert Schweitzer Hospital, which was a direct result of his philosophical expression. Schweitzer is also credited with influencing the Organ reform movement, which began in the mid-20th-century.
Thomas Cranmer was the first Protestant to be the Archbishop of Canterbury. He was instrumental in the annulment of Henry VIII's marriage to Catherine of Aragon, which led to the separation of the English Church from the See of Rome. He was eventually burnt at the stake for preaching Protestantism.