Elbert N. S. Thompson was an American scholar and literary critic known for his exploration of mysticism in literature. His most notable work, 'Mysticism in Seventeenth-Century English Literature,' delves into the intricate relationship between mysticism and the literary output of the period, examining how spiritual experiences influenced the writings of key figures such as John Milton and George Herbert. Thompson's analysis provided a fresh perspective on the intersection of spirituality and literature, highlighting the depth of emotional and philosophical inquiry present in the works of his subjects. Through his scholarship, Thompson contributed significantly to the understanding of how mysticism shaped the literary landscape of the seventeenth century. His work not only illuminated the complexities of religious thought during this time but also established a foundation for future studies in the field of mysticism and literature. Thompson's legacy endures in the academic discourse surrounding the spiritual dimensions of literary expression, making him a notable figure in literary criticism of his era.