[4] Grass moved back to Pennsylvania to pursue a legal career in tax law with the Internal Revenue Service and other government agencies.
[3] Grass became a businessman during the early 1950s partially due to his marriage into his wife's Harrisburg, Pennsylvania based Lehrman family.
While working for the distribution company, Grass noticed that there seemed to be a lack of competitively priced health and beauty stores in Pennsylvania.
[2] More importantly, in the early 1960s the United States Supreme Court citing the Robinson–Patman Act that manufacturers could not dictate minimum prices for retailers.
[2][4] Rite Aid's initial public offering at $25 a share on the New York Stock Exchange earned the Grass family $8.75 million.
[2] Martin Grass was fired by the company in 1999, after he was implicated in an $1.6 billion accounting scandal that nearly destroyed Rite Aid, just four years after his father had retired.
[2][3] Martin Grass was convicted of overstating Rite Aid's earnings during the 1990s and sentenced to eight years in federal prison.
For numerous years he headed the board of governors of the Hebrew University of Jerusalem that bestowed him with the National Scopus Award.
[2] The PinnacleHealth's (now called UPMC Central PA) Harrisburg Hospital named a $14.5 million building after Grass, who was one of its benefactors.
[2] Grass donated $1.5 million to the University of Florida to establish chair for its center for Jewish Studies and construct a new law school building.