Mezue ahịrịokwu a: N'afọ 1893, Òtù Na-ahụ Maka Oké Ọhịa na Pensụlvenịa gwara Lewis ka o see ihe osise 50 nke akwụkwọ osisi ndị na-anọchi anya ha n'ụdị agba mmiri, bụ́ ndị a ga-egosi n'Ihe Ngosi Ihe Nkà Ụwa nke a na-eme na Chicago. A na-ele ọrụ Lewis anya dị ka ihe ịga nke ọma, na-emeri ya ihe nrite na diplọma, e gosikwara ọha na eze ọzọ na 1901 Pan-American Exposition na Buffalo, New York, nakwa na
1904 Louisiana Purchase Exposition na St. Louis.