Sylvester Roper was an early automobile designer in America. His cars were steam powered, and he made a steam motorcycle which had to be the first motorcycle ever made, and a steam powered buggy, or automobile as they were called later. The photo shown below is from the Staten Island Region Antique Automobile Club of America, where a number of photos of other vintage cars are located. Copied by permission.
Roper was a prolific inventor, and patented many versions of his vehicles, as well as the first repeating cartridge shotgun.