Question: What was the name of the entomologist and grandson of the Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone?
Sentence (from "Charles Bourseul"): Charles Bourseul (28 April 1829 – 23 November 1912) was a pioneer in development of the "make and break" telephone about 20 years before Bell made a practical telephone.
Relevant evidence: No