 |
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| The 1000th Birth Anniversary of Ibn-al-Haitham
(Alhazen) was commemorated
in this 1969 FDC issued by Pakistan. Alhazen is regarded as the father of optics because of his extensive study in the physics of light.
|
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|
|
|||
| The 1000th Birth Anniversary of Ibn-al-Haitham
(Alhazen) was commemorated
in this 1969 FDC issued by Pakistan. Alhazen is regarded as the father of optics because of his extensive study in the physics of light.
|
|||
|
