According to notes from Morton Miller, Rudolph left Ohio for California where he became a wealthy man and left his estate to Randolph Miller, his nephew.
from another note of Carolyn Miller Powers: Settled near Chillicothe, Ohio. He attended Northwestern University of Oda, Ohio, taught school in Ohio, went to Vellejo, CA, 20 miles east of San Francisco on Bemica Road. Sent for his nephew, Rudolph to take care of him in old age and be his heir, which he did.