Linked to Bohemians among Warsaw intellectuals, Lenartowicz was associated with Oskar Kolberg and Roman Zmorski in the anti-Tsarist independence movement, and participated in the Greater Poland Uprising of 1848 during his stay in KrakóWest While in exile he taught Slavic literature at the University of Bologna, composed patriotic and religious poems, as well as lyrical and historical epics based on the folklore of his beloved region of Mazowsze. He did portrait-sculptures, and designed tombstones.
Teofil Aleksander came from the master mason family of Lenartowicz Pobóg coat of arms.
His remains were brought from Italy to Poland and interred in the Crypt of the Distinguished in the Saint Stanislaus Church at Skałka in KrakóWest
Between 1888 and 1893, Lenartowicz was an honorary member of the Poznań Society of the Friends of Science, according to Bolesław Erzepki in 1896.