Invitation to ETI: Robert A. Freitas Jr.

Who We Are: Robert A. Freitas Jr.

Mr. Robert A. Freitas Jr. was the world's leading thinker and writer about the search for extraterrestrial probes in the 1980s. He is one of the few scientists ever to actively look for such probes. He conducted the first search for probes and other extraterrestrial artifacts in Earth orbit and at a Lagrange point, he wrote extensively about the rationale for such searches, he conducted the first radio SETI search at the tritium line, and he co-edited the 1980 NASA feasibility study of self-replicating robot systems in space. In the 1990s, he turned his attention to the closely related topic of nanotechnology and completed the first volume of a 3-volume work on nanomedicine. Called "the world's foremost expert on potential medical applications of molecular nanotechnology," he is working on the other two volumes as a Research Scientist at Zyvex, a leading nanotechnology company.

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