(1)I was in awe ofEinstein and hesitated beforeapproaching him about someideashad been working on.P.I entered his office and foundhim seated at a table - calculatingand smoking his pipe.Q.When I finally knocked on hisdoor - a gentle voice said - 'come'.R.The single word was both awelcome and a question.S.Dressed in ill fitting clothes - his hair characteristically awry - he smiled a warm welcome.(6) His utter naturalness at onceset me at ease.