Question

2. This French educator lost his sight at the age of three. He invented the system of printing raised dots to enable the visually impaired to read. This system is still in use and is known by his name.​

Answer 1

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listen); French: [lwi bʁaj]; 4 January 1809 – 6 January 1852) was a French educator and inventor of a system of reading and writing for use by the blind or visually impaired.

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Answer 2

1. 2. This French educator lost his sight at the age of three. He invented the system of printing raised dots to enable the visually impaired to read. This system is still in use and is known by his name.