Mead Schaeffer was born in Freedom Plains, New York, in 1898 and he grew up in Springfield, Massachusetts. He is the son of a Presbyterian minister, he called himself a grandchild of Howard Pyle. After graduation high school, he enrolled in the Pratt Institute in 1916. Schaeffer developed his talent in the Brandywine School.

His early illustrations of romance and adventures stories were characterized by a painterly technique with color laid down in generous and satisfying strokes. In 1922, at age 24, he was hired to illustrate a series of classic novels for publisher Dodd Mead . For years he illustrated books and magazine. His work for Dodd Mead continued until 1930. 

“Tom Cringle’s Log” (1927)
“The Count of Monte Cristo” (1928)
“The Black Buccaneer” (1929)

In 1930, Schaeffer altered his method and choice of subject. Abandoning images of romance and exaggerated sentiment, he turned to painting real places and people.
During the 1930s and 1940s he received commissions from various magazines.

“Forbidden Lover” (1932)

His work as a war correspondent for the Post during World War ll resulted in a well-known series of covers illustrating American military personnel. He produced 46 covers for the weekly Saturday Evening Post.

“Lone Soldier” (1943)
“The Fish are Jumping” (1951)

Schaeffer then travelled all over the United States, producing more covers for the Post capturing the unique qualities of each state. After He had done over 5,000 paintings, took a deserved rest. In retirement , he lived in Vermont. He enjoyed his favorite pastime, fishing, and slowly started to paint again. 
In 1980, at the age of 82, he died in New York City from a heart attack.

~Impressions~ I thought it was really wonderful to be able to produce such a realistic pictures without need for photographs. His pictures is beautiful and feeling of solidity. So I like his pictures.

Sources

https://en.wikipedia.org/wiki/Mead_Schaeffer

https://www.illustrationhistory.org/artists/mead-schaeffer

http://www.artnet.com/artists/mead-schaeffer/