Abstract Edmund William Pratt was the grandson of Henry Wood and Clara Gagnier Booth, the son of Adeline Clara Louise Booth and William Austin Pratt. The Pratts were a well-established Detroit family long before the Booth family arrived in the 1880’s. Cranbrook quickly became a part of young Edmund’s life and his family made frequest excursions from Detroit to Bloomfield Hills, spending much of his childhood and adolescence on the Cranbrook grounds. Pratt became an illuminating engineer for Detroit...