One of the very few people who really understood the matter, Tycho Brahe, admired Copernicus, praised his work, and called him the "second Ptolemy", but also criticised his work and had his own competing "system of the world". Unlike the others, he understood what he was talking about.Source: A. Blair, Tycho Brahe's critique of Copernicus, Journal of the History of Ideas, Vol. 51, No. 3, 355-377.
The Linux kernel's reboot system call accepts their dates of birth (written in hexadecimal) as magic values. Torvalds describes himself as "completely a-religious—atheist", adding that "I find that people seem to think religion brings morals and appreciation of nature. I actually think it detracts from both.