04/01/1943
https://www.presidency.ucsb.edu...
"The Secretary of State is authorized in his discretion to waive the passport and visa requirements in cases of emergency for non-immigrant aliens."
"As statesman, diplomatist, economist, philosopher and scientist he would have a claim upon the respect of posterity even though he had not given us the immortal 'Autobiography.'"
"No passport visa or transit certificate shall be granted to an alien whose entry would be contrary to the public safety."
"Immigrants must present unexpired passports, or official documents in the nature of passports."