That prolific period ended abruptly by Hoyle's unexpected resignation in 1972.
So far there have been no unexpected resignations or other visible signs of discord.
All most of us would ever know about it would be the odd, unexpected resignation.
He returned to the position on an interim basis in 1987-1988 after the unexpected resignation of his successor, Samuel A. Banks.
Whether motivated by conscience or survival, his unexpected resignation elicited wild cheers and seemed to signal the beginning of the end for black township governments.
The week began with the unexpected resignations of its founder, Kobi Alexander, and two other top executives.
Cadderly looked into the weakling man's face and saw true fear and unexpected resignation.
Following Keith Bradshaw's unexpected resignation, he was appointed as his successor at the end of 2011.
Boris Yeltsin's unexpected resignation was a brilliant political ploy, and one with worrisome implications for the West.
There was no official explanation cited for the sudden and unexpected resignation.