Leonardo da Vinci

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• Leonardo da Vinci
• System for equalizing the release of a spring

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• Isaac Newton

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• Robert Hooke (1635-1703)

Willen Church The only building in existence
that Robert Hooke designed and that is in
original condition.
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• Bernoullis

Jacob Bernoulli 1654-1705
Daniel Bernoulli 1700-1782
Johann Bernoulli 1667-1748
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Eulers elastica
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• Augustin-Louis Cauchy
• formalized the concept of stress in the context
  of a generalized three-dimensional theory

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• Adhemer Jean Claude Barre
• de Saint-Venant
• Saint-Venant Principle
• Semi-inverse solution(1853)
• Bending and torsion of a non-circular prismatic
  rod

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• S.P.Timoshenko
• Beams on elastic foundation
• Timoshenko beam theory
• Mechanics of plates and shells
• Elastic vibration
• a scientist and an engineer