author
Bonaventure Hammer
1842–1917
A German-American Franciscan priest and prolific devotional writer, he helped bring Catholic teaching and prayer to English- and German-speaking readers in the United States. His books and reference work reflect a practical, pastoral voice shaped by immigrant Catholic life in 19th- and early 20th-century America.
1 Audiobook
About the author
Born in Dürmersheim, Baden, on June 23, 1842, Bonaventure Hammer came to the United States as a child when his family settled in Pittsburgh. He joined the Franciscan order in Cincinnati in 1860 and was ordained a Catholic priest in 1865.
Hammer became known for writing and compiling Catholic devotional works for everyday readers. He published in both German and English, and his books include General Catholic Devotions and Mary, Help of Christians, and the Fourteen Saints Invoked as Holy Helpers, showing his focus on prayer, popular devotion, and practical religious instruction.
He also contributed scholarship to the Catholic Encyclopedia, linking his pastoral work with a wider effort to explain Catholic history and belief to a broad audience. He died in 1917, remembered as a priest-author who served immigrant Catholic communities through clear, accessible religious writing.