<page_title> List of ambassadors of the United States to Costa Rica </page_title> <table> <cell> Hallett Johnson <col_header> Representative </col_header> </cell> <cell> February 14, 1945 <col_header> Presentation of Credentials </col_header> </cell> <cell> May 16, 1947 <col_header> Termination of Mission </col_header> </cell> </table>
Hallett Johnson was an American ambassador to Costa Rica from 1945 to 1947.