James Aitken Wylie (1808-1890) was a Scottish historian of religion and a prolific writer. Recognized for his deep examination into the history of the Reformation, Wylie's most enduring contribution to literature is his magnum opus, 'The History of Protestantism (Complete 24 Books in One Volume),' which remains a cornerstone in the study of the Reformation and its impact on world history. Born in Kirriemuir, Scotland, Wylie was ordained in 1842 and spent much of his life dedicated to the ministry and to writing. His scholarly approach to the critical events, figures, and theological currents of the Protestant Reformation demonstrates a compelling narrative style combined with a rigorous attention to detail. His works, prolific in the 19th century, retain scholarly importance for their historical perspective and have continued to influence subsequent generations of historians and theologians. Wylie's dedication to his faith and his scholarly pursuits made him a significant figure in his own right, creating a legacy of historical inquiry that highlights the complexity and endurance of Protestant thought and its influence on the religious and social fabric of his time and beyond.