Most of what is known of the career of Mr. David Napier, the eminent engineer responsible for many of the early advances in the application of steam to navigation on the Clyde and around the coasts of Great Britain, comes from his autobiographical memoir and the associated biographical notes published in 1912. It would appear that Napier was setting down these memoirs around 1860 when he was resident in Worcester, and at that time he engaged in a letter-writing campaign with the newspapers in Glasgow and Greenock. In a few essays, it is my aim to document the impact that Mr. Napier had on the steamboat traffic on the Clyde and on Loch Lomond. In this first part, the early years of Napier’s career as an engineer and steam-ship owner are covered, with an emphasis on the cross-channel shipping that initially brought him to the public’s attention. David Napier was born on October 29, 1790...