In 200 years nobody will care about anybody currently alive in the planet, so why somebody would spend money in a permanent storage media. If you do something

In 200 years nobody will care about anybody currently alive in the planet, so why somebody would spend money in a permanent storage media. If you do something relevant for the humanity, like Newton, Gauss, or Ampere, you won't need to save any kind of information by yourself. Sharing it with other people will be sufficient.