Philip Johnson was one of the most influential architects of the past century, chameleonic in each of his roles as a New York power broker, art collector and creator of his “Glass House,” a celebrated landmark of modernist design in Connecticut.

He also championed racist and white supremacist viewpoints in his younger years. Johnson’s Nazi sympathies, for example, have been well documented, and he spent the years after World War II trying to distance himself from them.

Now a group of more than 30 prominent artists, architects and academics are casting a light on the more unsavory part of Johnson’s legacy, demanding in a letter published online on Nov. 27 that institutions such as the Museum of Modern Art and the Harvard Graduate School of Design remove the name of the architect, who died in 2005, from their spaces...[+]