In the summer of 1838,John Wanna maker was born in Philadelphia. His father was a brick-maker.Whenever he was not(56)school,John was engaged in turning bricks which were laid in the sun to(57).Thus，the quality of working(58)was instilled（灌输）into the young man.(59)  his own diligence,he later became the merchant prince of Philadelphia. A few years later,school was(60)and he worked in a store four miles away(61) his home. He walked eight miles every day, going to work in the morning and(62)back home in the evening.He  (63)only $1.25 for the entire week's work. Afterwards he was(64)as a clerk in a law office,and later he worked in a clothing store at a(65)of $1.50 per week.Here he seemed to find the calling  (66)suited his taste, and he developed a pleasing disposition （性格）.People(67)to trade with the young clerk. It was not long(68)he was called to responsible positions. In 1861,he already saved several hundred dollars.As he had(69)a reputation for honesty and ability,he was able to start in business on his own account. This firm of Wanna maker & Brown was situated(70)the comer of Sixth and Market streets. As the business(71), other stores were opened.John Wanna maker,the poor clerk—after a(72)of twenty years of hard work,pushed by energy,controlled a force of 6,000 employees. Not only did the firm handle clothing， but also articles that could be generally (73) in retail（零售）stores. The secret of his great success is his tireless diligence,and a (74)mastery of his business. He was one of the most successful merchants in history who were extremely good at thinking of new business ideas and(75)them successful.