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.