1. Whom do you admire? 2. Why do you admire him/her? 3. What do you wish to say to him/her if you two met? 4. What do you think is his/her greatest accomplishment? 5. Any miscellaneous facts about that historical figure that we may not know about?
Tesla was a truly amazing inventor, though admitantly a bit unconventional at best. I find da Vinci to be a better inventor and a more rounded person in general.