Kammala jumla mai zuwa: A lokacin da yake da shekaru 15, a 1892 Lawrie ya yi aiki a matsayin mataimaki ga masu zane-zane da yawa a Chicago, don rawar da suka taka wajen gina "White City" don World's Columbian Exposition na 1893. Bayan kammala wannan aikin, Lawrie ya tafi Gabas, inda ya zama mataimakin William Ordway Partridge. A cikin shekaru goma masu zuwa, ya yi aiki tare da wasu sanannun masu zane-zane: Augustus Saint-Gaudens, Philip Martiny, Alexander Phimister Proctor, John William Kitson da sauransu. Aikinsa a
Louisiana Purchase Exposition, St Louis, 1904, a karkashin Karl Bitter, mashahurin masanin gine-ginen wannan lokacin, ya ba Lawrie damar haɓaka ƙwarewarsa da martabarsa a matsayin mai zanen gine-gine.