John became head of the company as his father retired.

He took over the business in 1889 when his father retired.

His father, who taught him the trade, retired some years ago.

His father retired as the vice president for student services there.

His father had retired from the army after long service.

He became president of the company when his father retired in 1811.

His father, John, had retired from the department in 1960.

Then he and my father retired to another room to talk the issue out.

In 1904, he took over the operation of the company when his father retired from business.

His father later retired from the army as a major.