In 1866 , Stephen had started to work closely with his first cousin , Donald Smith ( later Lord Strathcona ) .
The two were to become partners in a myriad of ventures which made them both a fortune .
In 1866 , Stephen had started to work closely with his first cousin , Donald Smith ( later Lord Strathcona ) , and the two were to become partners in a myriad of ventures which made them both a fortune .