Geologist who explored the topography of Australia, venturing into the country's Snowy Mountains and Australian Alps. Numerous Australian peaks, desert formations, and bodies of water were named in his honor.
He found gold near New South Wales, but at the request of the governor, who feared unrest, he kept the discovery a secret.
He was made a Fellow of the Royal Geographical Society in London.
He was born into Polish nobility, but his father may have forged his title as a Count.
Like Ludwig Leichhardt, he made a great contribution to the mapping of Australia's geography.