"I first learned to appreciate moussaka and pastisio at their restaurant, and it was as good as any I've had over the years. I've eaten no better," Mr. Genthner said.
"The restaurant was a wonderfully old-fashioned place. It was a real bit of Americana, where regular folks stopped in for a bite to eat," he said. "It was definitely not a place for folks in designer clothes looking for some wine and brie."
Mr. Genthner recalled the couple, who were always dressed in white aprons, as "hardworking, who did everything they could to please their customers."
"They were kind and patient and the food was served promptly and hot. Mr. and Mrs. K knew the meaning of 'fast food,' " he said.
The couple sold the business in 1999 and retired.
"When they closed, it was one of the last vestiges of the old Towson, and its closing marked the end of an era," Mr. Genthner said.
Mr. Karsos' son said, "My father was loved by all and a perfect example of reaping what you sow."
Mr. Karsos enjoyed attending wrestling matches.
He was a member of the Greek Cathedral of the Annunciation in Baltimore.
Services will be held at 10:30 a.m. Thursday at St. Demetrios Greek Orthodox Church, 2504 Cub Hill Road, Parkville.
In addition to his wife and son, Mr. Karsos is survived by three grandchildren.