What organizations or conferences has Lea F. Santos been involved with in the field of physics?
Lea F. Santos has been a member of delegations to international physics conferences and has received awards such as the Cottrell
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### Instruction:
What organizations or conferences has Lea F. Santos been involved with in the field of physics?

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### Response:
Lea F. Santos has been a member of delegations to international physics conferences and has received awards such as the Cottrell<|im_end|>