• David McClelland - primarily motivated by an overwhelming need for achievement and strong urge to build.
• Collins and Moore - tough, pragmatic people driven by needs of independence and achievement. They seldom are willing to submit to authority.
• Bird - mercurial, that is, prone to insights, brainstorms, deceptions, ingeniousness and resourcefulness. they are cunning, opportunistic, creative, and unsentimental.
• Cooper, Woo, & Dunkelberg - argue that entrepreneurs exhibit extreme optimism in their decision-making processes.
• Busenitz and Barney - prone to overconfidence and over generalizations.
• Cole - found there are four types of entrepreneur: the innovator, the calculating inventor, the over-optimistic promoter, and the organization builder. These types are not related to the personality but to the type of opportunity the entrepreneur faces.
• John Howkins - focused specifically on creative entrepreneurship. He found that entrepreneurs in the creative industries needed a specific set of traits including the ability to prioritise ideas over data, to be nomadic and to learn