Can Science Be Ethical?

One of my favorite monuments is a statue of Samuel Gompers not far from the Alamo in San Antonio, Texas. Under the statue is a quote from one of Gompers’s speeches:

What does labor want?

We want more schoolhouses and less jails,

More books and less guns,

More learning and less vice,

More leisure and less greed,

More justice and less revenge,

We want more opportunities to cultivate our better nature.

Samuel Gompers was the founder and first president of the American Federation of Labor. He established in America the tradition of practical bargaining between labor and management which led to an era of growth and prosperity for labor unions. Now, seventy years after Gompers’s death, the unions have dwindled, while his dreams, more books and fewer guns, more leisure and less greed, more schoolhouses and fewer jails, have been tacitly abandoned. In a society without social justice and with a free-market ideology, guns, greed, and jails are bound to win.

When I was a student of mathematics in England fifty years ago, one of my teachers was the great mathematician G.H. Hardy, who wrote a little book, A Mathematician’s Apology, explaining to the general public what mathematicians do. Hardy proudly proclaimed that his life had been devoted to the creation of totally useless works of abstract art, without any possible practical application. He had strong views about technology, which he summarized in the statement “A science is said to be useful if its development tends to accentuate the existing inequalities in the distribution of wealth, or more directly promotes the destruction of human life.” He wrote these words while war was raging around him.

Still, the Hardy view of technology has some merit even in peacetime. Many of the technologies that are now racing ahead most rapidly, replacing human workers in factories and offices with machines, making stockholders richer and workers poorer, are indeed tending to accentuate the existing inequalities in the distribution of wealth. And the technologies of lethal force continue to be as profitable today as they were in Hardy’s time. The marketplace judges technologies by their practical effectiveness, by whether they succeed or fail to do the job they are designed to do. But always, even for the most brilliantly successful technology, an ethical question lurks in the background: the question whether the job the technology is designed to do is actually worth doing.

The technologies that raise the fewest ethical problems are those that work on a human scale, brightening the lives of individual people. Lucky individuals in each generation find technology appropriate to their needs. For my father ninety years ago, technology was a motorcycle. He was an impoverished young musician growing up in England in the years before World War I, and the motorcycle came to him as a liberation. He was a working-class boy in a country dominated by the snobberies of class and accent. He learned to speak like a gentleman, but he did not belong in the world of…

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