Weizmann House decoration over that of Mendelsohn. The house now displays the art and objects that the Weizmanns had collected. The design of the house was met with praise early on. One guest, the niece of Arthur Balfour described it as "a modern, aristocratic house, in harmony with its surroundings, well suited to its purpose, fully expressing the soul of its owners, and, like them, a national treasure." Beginning in 1949 until Chaim Weizmann's death three years later, the years Weizmann served as President of Israel, the house functioned as the official residence of the President. The house was adapted into a
Faisal I of Iraq following year. On 4 January 1919, Emir Faisal and Dr. Chaim Weizmann, President of the Zionist Organization, signed the Faisal–Weizmann Agreement for Arab-Jewish Cooperation, in which Faisal conditionally accepted the Balfour Declaration, a personal declaration by British politician, Lord Balfour, promising British support to the development of a Jewish homeland in Palestine. Once Arab states were granted autonomy from the European powers, years after the Faisal-Weizmann Agreement, and these new Arab nations were recognized by the Europeans and the U.N., Weizmann argued that since the fulfillment was kept eventually, the agreement for a Jewish homeland in Palestine still held. In