Richard Nixon actually said...
In Class III—A shall be placed any registrant who prior to the effective date of this paragraph in its present form submitted to his local board information establishing his eligibility for deferment on the grounds of fatherhood under regulations in effect prior to such date, or who is so classified prior to such date, and who continues to maintain a bona fide family relationship in their home with his child or children, except that this paragraph shall not apply to any registrant who subsequently becomes a physician, dentist, or veterinarian.
Context
Executive Order 11527—Amending the Selective Service Regulations
04/22/1970