For starters, each is a world famous architects. Secondly, each "tried their hands" at designing the total utilitarian refueling building - the gas station. Some of America's best Mid Century Modern architecture is in the form of gas stations, with their simple space requirements and focus on innovative roofs.
Implications - Businesses that design products with retro qualities will appeal to many consumers on a nostalgic level. Consumers will flock to those products that transport them back to a particular period of their lives.