Heron's Principle of Reflection/Historical Note

Historical Note on Heron's Principle of Reflection

Heron's Principle of Reflection was reported in Heron of Alexandria's Catoptrica of $\text c. 75 \text { CE}$.

While this was merely a deduction of his based on observation, he was completely correct.

Sources

• 1992: David Wells: Curious and Interesting Puzzles ... (previous) ... (next): Light Reflected off a Mirror