Von Braun lived with a learning disability, frequently failing his maths tests in high school. He went on to become the most celebrated rocket scientist of the 20th Century. His work enabled man to take the first historic steps on the moon.
Source: Graham,J., Shinkfield, A., Smith, K. & Polzin, U., 'Employer benefits and costs of employing a person with a disability', Journal of Vocational Rehabilitation, vol. 17, pp. 251-263.