You can see the full category hierarchy on the Category Map.
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| 6 beginning with A  | ADELARD AHMED IBN YUSUF AL'BATTANI ALBERT EINSTEIN AL'HAITAM AL'HASIB  | 
| 2 beginning with C  | CAUCHY CH'IN CHIU SHAO  | 
| 1 beginning with D  | DIOPHANTUS | 
| 2 beginning with E  | EUCLID EUTOCIUS  | 
| 1 beginning with F  | FERMAT | 
| 3 beginning with G  | GAUSS GAUSS (2) GAUSS (3)  | 
| 4 beginning with H  | HENG HERON HIPPASUS HIPPOLYTA  | 
| 1 beginning with I  | IBRAHIM | 
| 1 beginning with M  | MENAECHMUS | 
| 1 beginning with N  | NEWTON (2) | 
| 4 beginning with P  | PLATO PTOLEMY PYTHAGORAS PYTHAGORAS (3)  | 
| 1 beginning with W  | WOLFRAM | 
27 apronyms in total | |