04/27/1949
https://www.presidency.ucsb.edu...
"We must rely heavily on science and technology."
"The greatest care must be exercised to assure that the supply of persons possessing critical skills will be distributed among military and civilian activities in a manner which will contribute most to..."
"Authority to employ persons under this subsection 101(a) in any such department or agency shall not be redelegated by the head of such department or agency."
"Appointments under subsection 101(a) of this order to positions other than advisory or consultative shall be supported by written certification by the head of the employing department or agency."