Born in
Maryborough, Queensland, Australia, Sinclair fought for thirty years to protect
Fraser Island, and succeeded in stopping logging of the island's rainforest, and sand mining by multinational corporations. Sinclair was made an
Officer of the Order of Australia (AO) in the
2014 Australia Day Honours for "distinguished service to conservation and the environment, through advocacy and leadership roles with a range of organisations, and to natural resource management and protection". Sinclair died on 3 February 2019 in the
Wesley Hospital in
Auchenflower, Brisbane from prostate cancer. He is survived by his partner, four sons and nine grandchildren. ==References==