Frank Lloyd Wright was an influential American architect known for pioneering the Prairie School style. Some of his notable early works featured in this document include the Unity Temple in Oak Park, Illinois, which used stained glass windows and good acoustics, and his home and studio in Oak Park, which was his laboratory for developing the Prairie style. The document also discusses Wright's Imperial Hotel in Tokyo, which was praised for remaining undamaged after the 1923 earthquake due to its innovative earthquake-resistant design features.