1809 – He was born on the 4th day of January of this year in Coupvray, France.
1812 - He became blind by accident.
1819 - He got a scholarship to the Royal Institution for Blind Youth in Paris.
1824 - He began inventing his raised-dot system with his father's stitching awl, finishing.
1829 – He published a book, named "Method of Writing Words, Music and Plain Song by Means of Dots, for Use by the Blind and Arranged by Them".
1837 - He issued a second publication featuring an expanded system of coding text.
1852 - He died in Paris of tuberculosis on the 6th of January this year.
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