W. B. Martin Gross, a lifelong resident of Hinsdale, Illinois, passed away peacefully on May 12, 2021, surrounded by his family at the age of 84.

Martin was born to Fay Martin Gross and Lawrence Morell Gross of Hinsdale on September 9, 1936. After graduating from Hinsdale Central High School, Martin received a B.A. degree cum laude from Amherst College in 1958 and an L.L.B. degree from Harvard Law School in 1961. Following graduation from law school, Martin joined the firm of Martin, Craig, Chester & Sonnenschein in 1961 and became a Partner in 1968. During his career as an attorney, Martin served as counsel and as a director of numerous corporations and public philanthropic organizations as well as representing and helping many people from his community. Martin also served as Special Counsel to the Vice President of the United States, Hubert Humphrey, from 1967 to 1969 and as a Special Assistant Attorney General in Illinois from 1968 to 1969.

In addition to the practice of law, Martin owned and served as President and Chairman of Federated Group, a company founded in 1927 with over 100 current employees based in Arlington Heights, Illinois, specializing in the development, ownership, and management of private brand grocery products sold throughout the United States and internationally. Martin acquired Federated Group in 1990 and was instrumental in guiding and developing the company through significant stages of strategic growth and diversification for the last 30 years.

Martin was also very involved during his lifetime with the community and many philanthropic organizations. He served as a Trustee and President of the Village of Hinsdale, as Chairman of the Anti-Cruelty Society of Chicago, as Village Attorney for La Grange Park, as a Trustee and Chairman of King-Bruwaert House, as a Member and President of School District 181 in Hinsdale, as Chairman of the West Suburban Transit District, and was a lifelong active member of the Union Church of Hinsdale.

Martin is survived by his wife, Lavina S. Gross, his daughter Allison Gross, his son Jeffery Gross, his stepson Christian Dill and Chris's sons Evan, Aiden, Emmett, and Gavin.

A memorial service for family, friends, and colleagues will be held on Friday, May 21, 2021, at 11 AM, at the Union Church of Hinsdale, 137 S. Garfield, Hinsdale, IL. In lieu of flowers, memorials appreciated to The Anti-Cruelty Society, www.anticruelty.org or King-Bruwaert House, www.kingbruwaert.org. Arrangements by Brian Powell Funeral Directors of Hinsdale.