According to Drummond, most scientists concentrate on the struggle for life, but overlook what he calls the struggle for the life of others. In The Ascent of Man, his Lowell Lectures of 1894, Drummond seeks to correct this 'oversight' in the evolutionary biology research of his day.
In The Ascent of Man, Drummond argues for altruism in evolution - an idea overlooked by most scientists of his time.
