Friedrich Theodor von Vischer is 204 years old (birthdate: June 30, 1807).
This answer is closed to changes. This is done in rare cases when questions are being vandalized or answers have become debates. E-mail reopen @ answers.com (no spaces) if you would like it to be reopened.
Friedrich von Spee was born on February 25, 1591 and died on August 7, 1635. Friedrich von Spee would have been 44 years old at the time of death or 421 years old today.
Friedrich von Schlegel was born on March 10, 1772 and died on January 12, 1829. Friedrich von Schlegel would have been 56 years old at the time of death or 239 years old today.
Friedrich von Flotow was born on April 27, 1812 and died on January 24, 1883. Friedrich von Flotow would have been 70 years old at the time of death or 200 years old today.