With the article , she appended a set of notes .
During a nine - month period in 1842 -- 43 , Lovelace translated the Italian mathematician Luigi Menabrea 's article on Babbage 's newest proposed machine , the Analytical Engine .
With the article , Lovelace appended a set of notes .
During a nine - month period in 1842 -- 43 , Lovelace translated the Italian mathematician Luigi Menabrea 's article on Babbage 's newest proposed machine , the Analytical Engine .