KBC 2022| While working in ISRO, which of these scientists was nicknamed Busy-B? By Udit Lakhoria - October 17, 2022 KBC 2022| Choose the correct option Ques: While working in ISRO, which of these scientists was nicknamed Busy-B? A. Dr. APJ Abdul Kalam B. Dr. Homi Bhabha C. Dr. Homi Sethna D. Dr. K. Radhakrishnan Answer: A. Dr. APJ Abdul Kalam