CREATE TABLE table_203_559 (id DECIMAL, "no." DECIMAL, "name" TEXT, "took office" TEXT, "left office" TEXT, "president served under" TEXT, "notable for" TEXT)

who was the first commissioner of food and drug , appointed in january 1907 ?
SELECT "name" FROM table_203_559 ORDER BY "took office" LIMIT 1
SELECT "name" FROM "table_203_559" ORDER BY "took office" NULLS FIRST LIMIT 1