Frank Drake

Working with Carl Sagan, Drake helped to design the Pioneer plaque, the first physical message flown beyond the Solar System, and was part of the team that developed the Voyager Golden Record.

Drake designed and implemented the Arecibo message in 1974, an extraterrestrial radio transmission of astronomical and biological information about Earth.

[4][6] Drake extended the capabilities of the under-construction Arecibo Observatory to allow it to be used for radio astronomy (it was originally designed purely for ionospheric physics).

[6] In April 1959, Drake obtained approval from the director Otto Struve of NRAO to begin Project Ozma, a search for extraterrestrial radio communications.

However, Drake decided to publicize his project after Giuseppe Cocconi and Philip Morrison published a paper in Nature in September 1959, entitled "Searching for Interstellar Communications".

[4][8] Drake began his Project Ozma observations in 1960, using the NRAO 26-meter radio telescope, by searching for possible signals from the star systems Tau Ceti and Epsilon Eridani.

After learning about Project Ozma, Carl Sagan (then a graduate student) contacted Drake, initiating a lifelong collaboration between them.

The plaque was the first physical message sent into space and intended to be understandable by any sufficiently technologically advanced extraterrestrial lifeforms that might intercept it.

Drake left his role as dean in 1988, but remained a professor at UCSC while also becoming director of the SETI Institute's Carl Sagan Center.

[15] In 2010, Drake stepped down as director of The Carl Sagan Center but continued to serve on the SETI Institute's board of trustees.

Pioneer 11 at Saturn
Pioneer 11 at Saturn