In 1961, two neurosurgeons were able to reduce seizure activity in epileptic patients by severing the corpus callosum. the neurosurgeons were:

The two neurosurgeons who were able to reduce the seizure activity that epileptic patients has experienced with the use of the method of severing the corpus callosum of the patients were namely Vogel and Bogen. They were able to reduce the seizure activity of these patients.