I do much of my creative thinking while golfing. If people know you're working at home they think nothing of walking in for a cup of coffee, but wouldn't dream of interrupting on the golf course.
Source: In Writer's Digest.
-- Harper Lee, (Apr 28 1926-2016), US novelist; She won a Pulitzer prize in 1961 for her only novel, To Kill a Mockingbird, 1960.