In 1952, a Berkeley home was built for a physics pioneer whose semiconductor work helped shape modern electronics; 73 years and just one sale later, it is listed for $1.425 million

• The home's architecture is closely tied to its terrain.
• Instead of imposing a conventional rectangular floor plan on the sloping site, Olsen organized the house across a series of split levels.
• There are homes that are valued for their size, homes prized for their views, and homes that become significant because of the people who once lived within their walls.