Thomas Merton, born in France in 1915, was an American Trappist monk, theologian, mystic, poet, and social activist. After a peripatetic early life and a period of spiritual searching in New York City, he entered the Abbey of Our Lady of Gethsemani in Kentucky in 1941. Over his life, Merton authored over 50 books, primarily focused on spirituality, social justice, and pacifism. His bestselling autobiography, 'The Seven Storey Mountain,' brought him significant recognition. Merton also became a proponent of interfaith understanding, engaging with Eastern religions and spiritual figures, and pioneering dialogue between different traditions. He was ordained a priest in 1949 and continued to write prolifically until his death in 1968. His work explored themes of contemplation, social action, and the search for God in the modern world.

Born in France in 1915 to artistic parents, Thomas Merton experienced a nomadic childhood, moving between France and the United States. His mother died when he was six, and his father passed away a few years later. After attending boarding school in France and then Cambridge University, Merton transferred to Columbia University in New York City. During his time at Columbia, where he studied English literature and joined Alpha Delta Phi, he formed significant friendships with artists and writers. A pivotal encounter with a Hindu monk encouraged him to explore Christianity more deeply. He converted to Catholicism in 1938, confirmed and receiving communion that year, and earned his M.A. in English from Columbia in 1939, at which point he began discerning a call to religious life.

Following his conversion, Merton was briefly associated with the Franciscan Order before being directed to the Abbey of Our Lady of Gethsemani in Kentucky, where he arrived in 1941. He was accepted as a postulant, given the name Brother Louis, and later became a novice. Merton initially viewed his writing as potentially conflicting with his monastic vows but was encouraged by his superior to translate texts and write biographies. He made his temporary vows in 1944 and solemn vows in 1947. His poetry collections, 'Thirty Poems' and 'A Man in the Divided Sea,' gained some attention, but it was his 1948 autobiography, 'The Seven Storey Mountain,' that achieved widespread acclaim and bestseller status. He was ordained a deacon in 1948 and a priest in 1949. Merton also began teaching mystical theology to novices at Gethsemani.

As Merton's fame grew, he increasingly engaged in interfaith dialogue, exploring Eastern religions through study and practice, and initiating conversations with prominent Asian spiritual leaders. This broadened his theological and philosophical horizons. He also developed a strong commitment to social justice and pacifism, identifying as an anarchist from 1948 onwards. Merton became known for his non-violent stance during the civil rights era and the Vietnam War. His later writings and activities reflected a synthesis of contemplative spirituality and active engagement with contemporary social and political issues, advocating for a humanistic viewpoint on global concerns.