The Baltimore Four were four Catholic peace activists who poured blood on draft files at the Baltimore Customs House to protest the Vietnam War on October 17, 1967. This action was the immediate predecessor to and direct inspiration for The Catonsville Nine, both of which were led by Roman Catholic priest and peace activist Philip Berrigan.
The Four were (alphabetically): Father Philip Berrigan, 44 a Josephite priest from St. Peter Claver, a majority-Black Catholic church in Baltimore
David Eberhardt, 26, a poet and peace activist, secretary of the Baltimore Interfaith Peace Mission
Tom Lewis, 27, an artist and peace activist
Rev. James L. Mengel III, 38, a US Air Force veteran and United Church of Christ minister