A team of Frank Lloyd Wright experts believe that 29 suburban Chicago houses previously unattributed to Wright may actually have been designed by him. The team of researchers—William Allin Storrer, Richard Johnson, and Daniel Dominique Watts—are investigating the houses’ lineage by examining architectural details and comparing them to known Wright projects.
This Chicago Tribune article discusses the several theories surrounding these mystery houses: featuresblogs.chicagotribune.com/theskyline/2008/07/the-mysterious.html.