how many years did it take to become a scientist?

Question: how many years did it take to become a scientist?
- Keywords:
  years
Asked by 267fddk27 to Yvonne on 7 Nov 2017.
- Yvonne Lenighan answered on 7 Nov 2017:
  
  At least 4 years in University!
  
  I spent 4 years doing my Undergraduate Degree in UCD which was in Nutritional Science, and I have now done 3 years as a PhD student.. I have already spent 7 years yet I am learning new things every day!

Question: how many years did it take to become a scientist?