He later made enormous gifts to the university to help ensure that no student would ever be forced to leave Brown because of inability to pay tuition.

[2] During World War II, Frank worked for Pratt and Whitney as a manufacturer's representative in India exploring ways to improve engine performance enabling aircraft to deal with the high altitudes encountered in the CBI theater.

In the 1980s, Jägermeister became popular with college students in Louisiana and Frank promoted it heavily,[3] turning a specialty brand developed to help with digestion into a mainstream success widely drunk in ice cold shots and used in Jello shooters.

In 1997, he developed Grey Goose vodka, made in France by François Thibault,[4] and was so successful in promoting it that he sold the brand to Bacardi for $2 billion in June 2004.

The gift provided for the Sidney E. Frank Scholarship which funds tuition for around 130 undergraduate students from low income families each year.

[9] In 2006, Brown University named its Life Sciences building (the largest capital project to date) after Frank,[10] in recognition of a $20 million gift to support its construction.

[13] Frank died January 10, 2006, on a private plane in flight between San Diego, California, and Vancouver, British Columbia, at the age of 86 from heart failure.

Daughter Cathy Frank figured prominently in a highly publicized case regarding her grandfather's will that led to the disbarment of the controversial lawyer Roy Cohn.

In 1975, Cohn had entered the hospital room of a dying and comatose Rosenstiel, forced a pen to his hand, and lifted it to the will in an attempt to make himself and Cathy Frank beneficiaries.