<Tr> <Td> Jane Morrow Spaulding </Td> <Td> April 1953 </Td> <Td> January 1954 </Td> <Td> Dwight D. Eisenhower </Td> <Td> </Td> </Tr> <Table> <Tr> <Th> Name </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> President served under </Th> <Th> References </Th> </Tr> <Tr> <Td> Nelson Aldrich Rockefeller </Td> <Td> June 1953 </Td> <Td> December 1954 </Td> <Td> Dwight D. Eisenhower </Td> <Td> </Td> </Tr> <Tr> <Td> Vacant </Td> <Td> December 1954 </Td> <Td> September 1955 </Td> <Td> </Td> </Tr> <Tr> <Td> Herold Christian Hunt </Td> <Td> September 1955 </Td> <Td> February 1957 </Td> <Td> </Td> </Tr> <Tr> <Td> Vacant </Td> <Td> February 1957 </Td> <Td> April 1957 </Td> <Td> </Td> </Tr> <Tr> <Td> John Alanson Perkins </Td> <Td> April 1957 </Td> <Td> March 1958 </Td> <Td> </Td> </Tr> <Tr> <Td> Vacant </Td> <Td> March 7, 1958 </Td> <Td> March 18, 1958 </Td> <Td> </Td> </Tr> <Tr> <Td> Bertha Sheppard Adkins </Td> <Td> March 1958 </Td> <Td> January 1961 </Td> <Td> </Td> </Tr> <Tr> <Td> Ivan Arnold Nestingen </Td> <Td> January 1961 </Td> <Td> May 1965 </Td> <Td> John F. Kennedy </Td> <Td> </Td> </Tr> <Tr> <Td> Lyndon B. Johnson </Td> </Tr> <Tr> <Td> Wilbur Joseph Cohen </Td> <Td> June 1965 </Td> <Td> May 1968 </Td> <Td> </Td> </Tr> <Tr> <Td> Vacant </Td> <Td> May 1968 </Td> <Td> July 1968 </Td> <Td> </Td> </Tr> <Tr> <Td> James Henry McCrocklin </Td> <Td> July 1968 </Td> <Td> January 1969 </Td> <Td> </Td> </Tr> <Tr> <Td> Vacant </Td> <Td> January 1969 </Td> <Td> March 1969 </Td> <Td> Richard Nixon </Td> <Td> </Td> </Tr> <Tr> <Td> John G. Veneman </Td> <Td> March 1969 </Td> <Td> January 1973 </Td> <Td> </Td> </Tr> <Tr> <Td> Frank Charles Carlucci III </Td> <Td> February 1973 </Td> <Td> December 1974 </Td> <Td> </Td> </Tr> <Tr> <Td> Gerald Ford </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Took office </Th> <Th> Left office </Th> <Th> President served under </Th> <Th> References </Th> </Tr> <Tr> <Td> Nelson Aldrich Rockefeller </Td> <Td> June 1953 </Td> <Td> December 1954 </Td> <Td> Dwight D. Eisenhower </Td> <Td> </Td> </Tr>

Who is the acting secretary of health and human services