Jacob Klein, a native of Baltic, Ohio, was born around 1875. He enlisted in the United States Army in September 1900, and served in the Philippines with Company F of the 17th Infantry Regiment. He was stationed in Dagupan, San Carlos, and Manila.
Charles F. ("Carl") Meitzler, Klein's cousin, was born in Baltic, Ohio, on December 17, 1871, the son of Louis Meitzler and Mary Miller. He worked as a store clerk and enamel worker in Strasburg and West Lafayette, Ohio. On May 26, 1903, he married Myrtra E. Leas. Charles F. Meitzler died on January 14, 1950.
From the guide to the Jacob Klein letters, Klein, Jacob letters, 1901, (William L. Clements Library, University of Michigan)