On Sunday I went to listen to an amazing talk by an Australian physicist, Dr. Ken McCracken, at the Power House Museum in Sydney.
50 years on, Sputnik success still shines | COSMOS magazine
Dr. Ken McCracken was co-opted by NASA to track Sputnik from his lab in Tasmania when he was a young scientist in 1957. One of his tasks was to confirm that the signal was not a hoax.
Tethys