Jack MacDuff is an air traffic controller

Air traffic controller

Air traffic controllers are the people who expedite and maintain a safe and orderly flow of air traffic in the global air traffic control system. The position of the air traffic controller is one that requires highly specialized skills...

 and curler

Curling

Curling is a sport in which players slide stones across a sheet of ice towards a target area. It is related to bowls, boule and shuffleboard. Two teams, each of four players, take turns sliding heavy, polished granite stones, also called "rocks", across the ice curling sheet towards the house, a...

.

Curling

The son of Jim and Eileen MacDuff, Jack was the skip

Skip (curling)

The skip, in conjunction with the team, determines strategy. Based on the strategy, the skip holds the broom indicating where the player throwing must aim . When it is the skip's turn to throw, the vice-skip holds the broom...

 of the 1976 men's curling team representing the province of Newfoundland and Labrador

Newfoundland and Labrador

Newfoundland and Labrador is the easternmost province of Canada. Situated in the country's Atlantic region, it incorporates the island of Newfoundland and mainland Labrador with a combined area of . As of April 2011, the province's estimated population is 508,400...

 that won the Canadian Men's curling championship. It was the only time the province had won the Canadian Men's curling championship. Members of the team were, Jack MacDuff, Toby McDonald, Doug Hudson and Ken Templeton.

MacDuff currently lives in Moncton, New Brunswick

Moncton, New Brunswick

Moncton is a Canadian city, located in Westmorland County, New Brunswick. The city is situated in southeastern New Brunswick, within the Petitcodiac River Valley, and lies at the geographic centre of the Maritime Provinces...

. He is unable to curl due to having Multiple Sclerosis

Multiple sclerosis

Multiple sclerosis is an inflammatory disease in which the fatty myelin sheaths around the axons of the brain and spinal cord are damaged, leading to demyelination and scarring as well as a broad spectrum of signs and symptoms...

.http://curlingclub.net/curling-news/latest-curling-news/curling-volunteer-jack-macduff/