After assembly complete, when we have a larger crew on orbit, a more complex vehicle, more laboratories and more robot arms, maybe we'll have room for specialists. But right now we don't.
-- John L. Phillips
   
John L. Phillips   Name:
John L. Phillips
Type:
Astronaut
Nationality:
American
Birth:
April 15, 1951
https://www.nutquote.com/quote/John_L._Phillips