SELECT "name of president" FROM table_204_278 WHERE "year of presidency" >= 1900 ORDER BY "year of presidency" LIMIT 1
who was the first president in the 1900 's ?
CREATE TABLE table_204_278 (
    id number,
    "name of president" text,
    "picture" text,
    "life span" text,
    "year of presidency" text,
    "place of conference" text
)