Acquisitiveness -- Moral and ethical aspects. Consumption (Economics) -- Moral and ethical aspects. Consumption (Economics) -- Environmental aspects 1 American essays Twentieth century USA 1 Arbeitsmarkt 1 Biography & autobiography - personal memoirs 1 Biomedical engineering 1 Business & Economics -motivational 1 Businessmen 1 Frau 1 Humanitarianism 1 Ingenieur 1 Inventions 1 Jahren, Hope. Biologists--United States--Biography. Geobiology--Research--Anecdotes 1 Problem solving. Interpersonal conflict. Change (Psychology) 1 Rehabilitation technology 1 Self-help - personal growth- success 1 Self-help devices for people with disabilities 1 Technische Innovation 1 Women in technology 1