She was a Fellow of both institutions .
From 1961 to 1987 , she was Professor of Clarinet at the Royal College of Music and she was a Professor at the Guildhall School of Music and Drama from 1988 until her death .
Professor was a Professor of both institutions .
From 1961 to 1987 , she was Professor of Clarinet at the Royal College of Music and she was a Professor at the Guildhall School of Music and Drama from 1988 until her death .