Sinclair C5 with Sinclair claiming that he had found "very big" levels of interest. Hoover were sufficiently persuaded to allow Sinclair to divert 10 of their employees to modify C5s for overseas export. The bid to sell the C5 abroad failed; the Dutch National Transport Service told Sinclair that the C5 was not suitable for Dutch roads without improvements to its braking system, the addition of more reflectors, and the inclusion of the High-Vis Mast as part of the basic package. Most of the other ten countries that Sinclair inquired of demanded similar changes. The C5's reputation received a further battering when
Mary Craig Sinclair Mary Craig Sinclair Mary Craig Sinclair (1882–1961) was a writer and the wife of Upton Sinclair. She was born Mary Craig Kimbrough in Greenwood, Mississippi on February 12, 1882, the oldest child of Mary Hunter (Southworth) and Allan McCaskill Kimbrough, a judge. Beginning at age 13, Mary studied at the Mississippi State College for Women (starting with what were essentially high school classes) and graduated from the Gardner School for Young Ladies in New York City in 1900. Her father was a wealthy attorney with banking interests, and a member of one of the oldest elite Mississippi families. Kimbrough (called