This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Symbolic stripped 'Y' classification for cleft Lip and palate was given by 
Select and explain. 
A. Veou, B. Kernahan, C. Jackson, D. Edward H. Angle
B: Kernahan
Answer: B: Kernahan 
Explanation: None