Den Hartog, who was not disabled, was discharged from his position as headmaster at Wasatch Academy because

Question:

Den Hartog, who was not disabled, was discharged from his position as headmaster at Wasatch Academy because his adult son, who suffered from bipolar affective disorder and lived with his parents on campus, attacked and threatened several members of the school community. Did his discharge violate the ADA? [Hartog v. Wasatch Academy, 129 F.3d 1076 (10th Cir. 1997).]