Original sentence: The radical Revisionist Zionist Israel Eldad, whose original family name was "Scheib", had taken "Eldad" as his nom de guerre duing his involvement in the anti-British underground and later made this his official family name
Edited sentence: The radical Revisionist Zionist Israel Eldad, whose original family name was "Scheib", had taken "Eldad" as his nom de guerre during his involvement in the anti-British underground and later made this his official family name