Michael Berkeley 's guest today is pharmacologist Dr Ralph Kohn. In addition to a distinguished career in medicine,
Kohn has given concerts and recitals at London's majorvenues and has made many recordings as a singer. His choices include performances by singers whom he admires, such as Janet Baker , Kathleen Ferrier , Beniamino Gigii and Peter Schreier , as well as Yehudi Menuhin 's historic recording of Elgar's violin concerto, conducted by the composer. Executive producer Wendy Thompson Repeated tomorrow at 3pm