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: Dental
The first generation amalgam was studied and recommended by? 
Select and explain. 
A. Edward Crawcour, B. Wilmer Eames, C. Moses Crawcour, D. G. V. Black
D: G. V. Black
Answer: D: G. V. Black 
Explanation: The first generation of amalgam was studied and recommended by G.V. Black
Reference: Marzouk Operative dentistry, pg-105