India, Sept. 28 -- Frank Busch, the architect of Arizona's 2008 NCAA swimming championships in both men's and women's divisions and director of USA swimming contingents at the 2012 and 2016 Olympic Games, passed away Sunday following a heart attack at Phoenix airport. He was 75.

Busch suffered a fatal heart attack Sunday while returning from an angling expedition in Idaho, collapsing at the airport.

Busch's sister, Dorothy Rackstraw, confirmed his death in a Facebook post. "He was a former OLYMPIC COACH for USA swimming and had been a coach for his entire life starting at age 16," she wrote.

"A better man than any..I am heartbroken..Frank died of a massive heart attack..I know he is enjoying his new found freedom and celebrating in HEA...