If you could meet one famous engineer dead or alive who would it be and why?

Question: If you could meet one famous engineer dead or alive who would it be and why?
- Keywords:
  engineer,
  history,
  opinion
Asked by PhysHeadz to Sinead on 2 Feb 2015.
- Sinead Quirke answered on 2 Feb 2015:
  
  I would like to meet the enginners who designed the Eyptian pyramids. They were revolutionary in a time where science and engineering were not well understood. Id love to know how they figured out the design.

Question: If you could meet one famous engineer dead or alive who would it be and why?