Nikola Tesla Vs Albert Einstein

On Tesla's 75th birthday in 1931 he was featured on the cover of Time magazine. The magazine requested comments from his peers and Einstein politely responded with, "As an eminent pioneer in the realm of high frequency currents… I congratulate you on the great successes of your life’s work.” It was a very short and to the point birthday message from a gracious Einstein.!

Who was more intelligent Tesla or Einstein?