Answer : 1. "Mohammad Ali Jinnah"
Explanation :

Notes: Mohammad Ali Jinnah was the eldest son of a prosperous businessman of Karachi. Muhammad Ali Jinnah later shortened his name to ‘Jinnah’. Jinnah's father had recruited Jinnah as an apprentice in a merchant company in London. Shortly after reaching London, Muhammad Ali Jinnah left business and started studying law.