Looking Back on Inverse Scattering Theory

@article{Colton2018LookingBO,
  title={Looking Back on Inverse Scattering Theory},
  author={David Colton and Rainer Kress},
  journal={SIAM Review},
  year={2018},
  volume={60},
  pages={779-807}
}
We present an essay on the mathematical development of inverse scattering theory for time-harmonic waves over the past fifty years together with some personal memories of our participation in these events. 

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