Kelso had already delivered his short paper, on Stalin and the archives, at the end of the previous day: delivered it in his trademark style--without notes, with one hand in his pocket, extempore, provocative.
-- Robert Harris, Archangel
Ruskin's Oxford lecture series ended up as a dismaying mix of extempore ramblings and calculated farce.
-- Valentine Cunningham, "A Victorian Renaissance Man", New York Times, May 14, 2000