ROBERT DEWITT CHAPMAN, age 83, passed away on February 5, 2021. Beloved husband of Susan (nee Franklin); loving father of Jennie Vasarhelyi (the late Dave) and Chris Chapman; dear grandfather of Leah Vasarhelyi and Kayla Vasarhelyi. He was a quiet gentleman who loved science, nature, and his family. He earned a Ph.D. in astrophysics from Harvard and worked for UCLA, NASA, and the private aerospace sector. He authored books on astronomy for college students and the general public. Private family funeral services were celebrated with interment at All Saints Cemetery in Northfield, Ohio. Memorial contributions are suggested in his name to the Alzheimer’s Association, 23215 Commerce Park STE 300, Beachwood, OH 44122 or online at https://tinyurl.com/vn2j29hn. Arrangements by FERFOLIA FUNERAL HOME – SAGAMORE HILLS, OHIO 330-467-4500.