A memorial service for 66-year-old William “Bill” Cortum of Kalona will be at 7p.m. Thursday, October 31st at the Yoder-Powell Funeral Home in Kalona. Visitation will be from 5-7p.m. Thursday, October 31st at the Yoder-Powell Funeral Home in Kalona. Burial will be at the Wellman Cemetery at a later date. A general memorial has been established.