May God bless you and your...
John is such a nice person, always willing to help and listen when in need. He had helped to teach for me many times when I was on travel, using text book he wrote. I could not say enough thanks to him, and enjoyed being a colleague with him for many years. I will miss him dearly.
Pengcheng Dai
October 15, 2018 | Houston, TX | Coworker