Alfred Marshall was an Englishman and one of the most influential economists of his time. His book, Principles of Economics

Principles of Economics (Marshall)

Principles of Economics was a leading political economy or economics textbook of Alfred Marshall , first published in 1890. It ran into many editions and was the standard text for generations of economics students.-Writing:...

(1890), was the dominant economic textbook in England for many years. It brings the ideas of supply and demand

Supply and demand

Supply and demand is an economic model of price determination in a market. It concludes that in a competitive market, the unit price for a particular good will vary until it settles at a point where the quantity demanded by consumers will equal the quantity supplied by producers , resulting in an...

, marginal utility

Marginal utility

In economics, the marginal utility of a good or service is the utility gained from an increase in the consumption of that good or service...

, and costs of production into a coherent whole. He is known as one of the founders of economics

Economics

Economics is the social science that analyzes the production, distribution, and consumption of goods and services. The term economics comes from the Ancient Greek from + , hence "rules of the house"...

.
Marshall was born in Clapham, England, July 26, 1842. His father was a bank cashier and a devout Evangelical.