sentence1: Other R & D officials involved in the development of Bon Air were General Thomas M. Logan , Col. Andrew Talcott , and Talcott 's son , Thomas Mann Randolph Talcott .
sentence2: Other R & amp ; D officials involved in the development of Bon Air were General Thomas M. Logan , Col. Andrew Talcott , and Talcott 's son , Thomas Mann Randolph Talcott .