Another Remarkable Woman

You've never heard of her because...do I need to ask? Okay, I'll concede, we've never hear of most major scientists.
Ruby Payne-Scott, definitely an Honorary Contrarienne.

During World War II, she was engaged in top secret work investigating radar. She was the expert on the detection of aircraft using PPI (Plan Position Indicator) displays. She was also at the time a member of the Communist Party^[5] and an early advocate for women's rights. The Australian Security Intelligence Organisation (ASIO) was interested in Payne-Scott and had a substantial file on her activities, with some distortions.^[

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