Case’s “aha” moment occurred as an undergraduate. When an architecture professor said her design of student housing looked like a layer cake, she baked her next model. “I’m sure (my peers) were thinking, ‘Do we get to eat the damn thing when she’s done talking?'” Taking it further in 2008, Case began making ice cream sandwiches with a friend and naming them after architectural legends — such as Frank Berry and Mies Vanilla Rohe. They revamped a dumpy postal truck and parked it at a music festival, generating a hungry following within hours. Coolhaus — a play on Bauhaus, the modernist movement of the 1920s and ’30s, Dutch architect Rem Koolhaas, and “cool house” (the “sammies” look like tiny houses) — now has trucks in four cities, a store, and a sweet deal with Whole Foods, among other retailers. But the obsessed need not feel guilty. Committed to sustainability, Case uses local, organic ingredients whenever possible and wraps each delight in edible paper. Follow Coolhaus on Facebook or Twitter @Coolhaus. (photo courtesy of New York Street Food)

Although Morgan is best known for designing the European-inspired Hearst Castle, she was a trailblazing definer of California’s distinct Arts and Crafts style. She studied civil engineering — before the architecture department existed — and became the first woman to earn a certificate from Paris’s prestigious Ecole de Beaux-Arts. After returning to the Bay Area, she worked on Berkeley’s regal Hearst Mining Building and Greek Theatre, among other gems. She then started her own firm and designed an estimated 700 buildings, including, most notably, many women-commissioned projects — cementing her reputation as California’s first prominent female architect and one of the West Coast’s greatest designers of all time. An unassuming woman, Morgan said, “My buildings will be my legacy. They will speak for me long after I’m gone.” View an online exhibition on her life through Cal Poly’s Kennedy Library.