Final answer:
The father of Canadian physical education is David L. MacIntosh, known for his contributions to sports medicine and physical education in Canada.
Step-by-step explanation:
The father of Canadian physical education profession is David L. MacIntosh, who is known for his significant contributions to sports medicine and physical education in Canada. Although James Naismith, another notable Canadian, invented basketball, it is David L. MacIntosh who is more directly associated with the advancement of physical education as a profession in Canada.