He was born in New York on June 17, 1863, son of James Hervey Ackerman and Ellen Morgan.

According to the 1880 Census he was living with his father in Plainfield, New Jersey. He graduated Plainfield High School in 1880. From 1891 to 1892 he served as a councilmanin Plainfield. In 1904 he worked for The Lawrence Cement Company - sales office located at No. 1 Broadway, Manhattan and mailed a business envelope to the Chapman Brotherspurchasing two coin auction copies of the Mills catalog for $5.58 in cash, one plain and one plated.

On October 17, 1900 he wrote to the Chapman Brothers requesting a copy of the Dr. Edward Maris catalogue while he lived at 506 West 8th Street, Plainfield, New Jersey.

From 1905 to 1911 he served as a state senator. In 1907 he bought more coins from Henry Chapman, Jr.

He was a Fellow of the ANS in 1908. Also, in 1908 he was a Republican delegate to the National Convention in Chicago. In 1915 his home was robbed. From 1916 to 1920 he was amember of the Board of Trustees at Rutgers University (then College). From 1919 to 1931 he served as the Republican Party representative in New Jersey's 5th congressional districtin the United States House of Representatives.

In 1923 he sponsored a bill to permit illustration of postage stamps in a limited way. He died October 18, 1931. His coin collection was sold at auction by Charles H. Fisher onJune 27, 1931. A part of his valuable United States stamp collection was bequeathed to the Smithsonian Institution's National Postal Museum in Washington, D.C.

Ackerman was named to the American Philatelic Society Hall of Fame in 2000.

To read the complete article, see:
ACKERMAN, ERNEST ROBINSON(https://sites.google.com/a/numismaticmall.com/www/numismaticmall-com/ackerman-ernest-robinson)