Charles Alexander Stevenson

He was born at 8 Forth Street[4] in the east part of Edinburgh's New Town[5] The family moved to 20 Royal Terrace on Calton Hill shortly after his birth.

[5] Between 1887 and 1937 he built 23 lighthouses with his brother, David, and is noted for his experiments with optics.

His proposers were Sir John Murray, Peter Guthrie Tait, George Chrystal and Alexander Buchan.

[8] In March 1895, he was appointed examiner of Engineering students at St Andrews University.

With her he had two daughters and a son, David Alan (1891–1971), who was the last of the family to enter the profession of lighthouse design.