John Dollond
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John Dollond was an English optician, known for his successful optics business and his patenting and commercialization of achromatic doublets.
Painting by Benjamin Wilson, c. 1760
Peter Dollond
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Peter Dollond was an English inventor of optical instruments. He was the son of optician John Dollond. He is known for his successful optics business, and for the invention of the apochromat.
Peter Dollond