- Date Of Birth: December 3, 1938
- Date Of Death: December 15, 2018
- State: North Carolina
He is survived by his wife of 53 years Rebecca Joyner Sadler and children Will Sadler (Kim) of Salisbury, NC and Darby Sadler (Jason Robinson) of Raleigh, NC. He also leaves behind two grandsons: Cameron Sadler and Andrew Sadler of Salisbury, NC. His loving siblings include: Joseph Sadler (Marge) of St. Augustine FL, Ora Moore (Autry) of Pawleys Island SC, and Mary Hill (Delano) of Murrells Inlet SC.
In addition to his parents, he was preceded in death by his brother Walter Carroll Sadler.
John attended Louisburg College and then served in the Navy on the USS Lake Champlain. He graduated from North Carolina State University with a degree in Electrical Engineering and retired from Siemens Energy.