San Francisco is a seaside city, and for much of its history a major port. The wind driven clipper ships were the first to sail into the West Coast port. Since the clipper ships depended on the vagaries of the wind, they often arrived in San Francisco with little or no notice and gangs of [...]

;City Guides is an organization in San Francisco that provides free tours to tourists and local residents of sites of historical interest in San Francisco. City Guides organizes the tours by subject, the waterfront, the theater, the gold rush. I signed up and was accepted for the City Guides training program, but I am also [...]

I grew up in Sacramento, California and went to Sutterville Elementary School. “Sutterville” is a reference to John Augustus Sutter, pictured at the left, born Johan Suter in February 1803 in the Kingdom of Saxony,whose father came from Neuchatel, Switzerland. Young Suter moved to and went to school in Switzerland. He joined the Swiss Army and became [...]

The June 2010 edition of Discover Magazinehas an article on Harvard mathematician, Shing-Tung Yau. The article describes Dr. Yau as the man who has devised the math to describe string theory. String theory postulates that at the deepest reality the universe is composed of 10 dimensional vibrating strings. His particular branch of mathematics is topology. [...]