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Euler biography (4277 words) |
 | Their son Leonhard Euler was born in Basel, but the family moved to Riehen when he was one year old and it was in Riehen, not far from Basel, that Leonard was brought up. |
| Euler wrote an article on acoustics, which went on to become a classic, in his bid for selection to the post but he was not chosen to go forward to the stage where lots were drawn to make the final decision on who would fill the chair. |
| Euler was also helped by two other members of the Academy, W L Krafft and A J Lexell, and the young mathematician N Fuss who was invited to the Academy from Switzerland in 1772. |
| Eulogy of Leonhard Euler - Fuss (12897 words) |
| Euler to push his research further into the field of dioptic instrumentation and to remedy the defects which are present due to the aberration of light rays brought about as the result of the spherical shape of the glass, and finally provided general rules for the manufacture of telescopes and microscopes. |
| Euler has known to utilize this analysis to reconcile all of the possible advantages for all types of instruments; those concerning image clarity, the greatest field of vision, the shortest possible length concerning all of the magnifications and for the number of eyecups that are to be used. |
| Euler had neglected to mention the distance that must exist between the lenses in his theory of perfect lenses which only added to the confusion that these lenses are supposed to correct since these lenses must be of a certain thickness which cannot be neglected in their calculation. |
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