From ReelNASA:

NASA Astronaut Mike Fincke and ESA European Space Agency Astronaut Luca Parmitano reflect on the inspiration that actor Leonard Nimoy’s character Mr. Spock in the television series Star Trek had on scientists, engineers, space explorers and fans around the globe.

And here’s NASA Astronaut Terry Virts farewell, tweeted from the ISS with Nimoy’s birthplace in view, the town of Boston.

NASA Astronaut Terry Virts has tweeted a picture of the Vulcan gesture from the International Space Station, looking down at Nimoy’s birthplace of Boston.

[ReelNASA]