You asked:

who was president of the us when chamlong srimuang was a teenager

  • Dwight D. Eisenhower and Harry S. Truman were the US Presidents when Chamlong Srimuang was a teenager.
  • Dwight D. Eisenhower
    Dwight D. Eisenhower
    Dwight D. Eisenhower

  • Harry S. Truman
    Harry S. Truman
    Harry S. Truman