Otto Heinrich Frank (May 12, 1889 - August 19, 1980) was father of Anne Frank. Otto Frank was the only member of the group who hid out at the Secret Annexe to survive after the war. He married Edith on May 12th 1925. Shortly after, they had their first daughter, Margot Frank, on February 16th 1926.

For more infomation, see Anne Frank.

---

Otto Frank (June 21, 1865 - 1944) was also a German physiologist who, along with Ernest Starling, developed the Frank Starling Law of the Heart .