1972 Mosman state by-election

[1] It was triggered by the retirement of the former Leader of the New South Wales Liberal Party and Minister of the Crown, Pat Morton.

His time as Minister was marked by increasing strains on state infrastructure and his pro-development stance was largely attributed as an attempt to alleviate these problems.

[4] Among the most controversial schemes undertaken by his government were also a massive freeway system that was planned to be driven through the hearts of historic inner-city suburbs including Glebe and Newtown and an equally ambitious scheme of 'slum clearance' that would have brought about the wholesale destruction of the historic areas of Woolloomooloo and The Rocks.

This eventually culminated in the 1970s Green ban movement led by the secretary of the NSW Builders' Labourers Federation, Jack Mundey, to protect the architectural heritage of Sydney.

At the time of his departure it had been rumoured that he had been threatening to dismiss Blacktown City Council if they did not stop blocking a $200 million development in Mount Druitt.