"Nine recognises the unique role he played with the Network and for Australian television, and sends their condolences to the extended family and friends on his passing today, in particular his wife Sue and daughter Caroline."
Radio and TV presenter Ben Fordham took to Twitter so share his condolences and a memory of the TV legend.
"Many years ago, I was collecting donations for diabetes research when I ran into him at Channel 9. He offered me $10,000 but only if I agreed not to tell anyone about it..'Everyone thinks I'm a prick and I plan on keeping that reputation'".
Thoughts go out to Chisholm's family and friends during this difficult time.
This article originally appeared on WHO.