Stella, a chemist, was employed by Johnson, a manufacturer, to work on a secret process for Johnson's product under an exclusive three-year contract. Johnson employed Dabney, a sales person, on a week-to-week basis. Stella and Dabney resigned their employment with Johnson and accepted employment in their respective capacities with Washington, a rival manufacturer. Dabney began soliciting patronage from Johnson's former customers, whose names he had memorized. What are the rights of the parties in (a) a suit by Johnson to enjoin Stella from working for Washington and (b) a suit by Johnson to enjoin Dabney from soliciting Johnson's customers?