n terms of his appearance, Kai Lühr seems out of place. Lühr, who is kneeling between bearded men in white robes and bowing in the direction of Mecca, is clean-shaven and wearing jeans and a gray jacket. He might pass as a member of the Christian congregation next door, sent here to cultivate inter-faith dialogue. But he clearly knows the Islamic prayer ritual too well for that to be the case. He bends over and prays in Arabic: "Allah listens to him who praises Him. Our Lord, to You is due all praise." Lühr bends over, stands up again, takes another bow -- up and down, 33 times.

Kai Lühr, a practising doctor, converted to Islam with his wife two and a half years ago. Since then their names have been Kai Ali Rashid and Katrin Aisha Lühr. ...