By the time of the June 1916 Republican National Convention , Hughes had won two presidential primaries , and his backers had lined up the support of numerous delegates . Hughes led on the first presidential ballot of the convention and clinched the nomination on the third ballot . Hughes accepted the nomination , becoming the first and only sitting Supreme Court Justice to serve as a major party 's presidential nominee , and submitted his resignation to President Wilson . Roosevelt , meanwhile , declined to run again on a third party ticket , leaving Hughes and Wilson as the only major candidates in the race
1916 Republican National Convention
1916 Republican National Convention
Charles Evans Hughes