The person who believed that management must do more to improve the work environment?

W. Edwards Deming

Explanation:

William Edward Deming was a well-known personality of the 20th century United States and his contribution in the field of statics and management consultant are widely used even today. He was the man who contributed significantly to the rise of the Japanese economy in the post-world war era by delivering his lectures on the "Statistical Product Quality Administration". Later he came to the United States and became famous for the "System of Profound Knowledge".