At the time of his death he was editing the Sifra.
The editing of the book was peculiar.
People complain all the time that the editing made them look bad, but that's just wrong.
They do not point to any critical editing of the text; for the aim of the Massoretes was essentially conservative.
He assisted Kinkel in editing the Bonner Zeitung, and on the outbreak of the Revolution of 1848 took the field, but when Rastatt surrendered he escaped to Zurich.