He said he learned more than just about town planning during his tenure.
"I've enjoyed my time and learned a lot," Engel said before jesting, "I learned when to open my mouth and when to keep it shut, too."
Nanci Moquin, the board's administrative assistant, presented Engel with a proclamation from the town for his service, which she described as a tradition offered to retiring board members.
However, the proclamation carried some special significance for Engel, as he was preparing to make his last official act of the town.
"This was Parker's last official act as chairman of the board and he said as a long-time friend he wanted to be a part of this," Moquin told Engel.
Mathusa died on Sunday, Nov. 16, at his Delmar home after losing a battle with ALS, also known as Lou Gehrig's Disease, at the age of 70.
Cunningham thanked both Engel and Levielle for their service to Bethlehem.
"He [Engel] did a great job on the Planning Board and I'm particularly grateful that he could step in after Parker's death and help take the reigns," Cunningham said, adding that he would most likely "call on" Engel over town planning matters in the future.
He shared similar comments about Levielle.
"George has been a great asset, coming in after [former supervisor] Theresa [Eagan]. He has been invaluable to me and I'm going to miss him at Town Hall," Cunningham said of Levielle. "I will be tapping on his shoulder from time to time as well."
The town's appointments will be made at its organizational meeting at Town Hall on Tuesday, Jan. 6, at 6 p.m.