Question: What havr Jack Russell and and Robert Lamm both done? 

Context paragraphs:
American Russell Terrier Club: The American Russell Terrier Club (formerly named the English Jack Russell Terrier Club), founded by JoAnn Stoll in 1995, was the first registry in the United States to maintain the Russell Terrier as a separate breed from the Parson Russell Terrier.  The American Jack Russell Terrier Club is affiliated with both the United Kennel Club and the American Kennel Club.  The purpose of the early founders was to establish a registry for the perpetuation and development of the Russell Terrier as a pure strain of working Jack Russell Terrier keeping their blood and type pure within the registry to works towards Kennel Club recognition as an official breed in the US.  On January 1, 2001, the United Kennel Club recognized the Russell Terrier as an official breed, designating only the stock from the American Russell Terrier Club as Foundation stock for the UKC Russell Terrier.  In 2004 the American Russell Terrier Club submitted an official request to include the American Russell Terrier Club stock into the AKC FSS Program to work towards becoming an official breed under the perimeters.  On December 8, 2004, the AKC officially accepted the Russell Terrier.

Jack Russell Terrier Club of America: The Jack Russell Terrier Club of America (JRTCA) is the largest Jack Russell Terrier club and registry in the world, and is the National Breed Club and Registry for the Jack Russell Terrier in the United States.

Jack Russell (musician): Jack Russell (born December 5, 1960), is an American rock vocalist.  He is a founding member of the American hard rock band Great White.

Like a Brother: Like A Brother is an album released in 2000 by members of three famous recording acts: America's Gerry Beckley, Chicago's Robert Lamm and The Beach Boys' Carl Wilson.  It was released two years after Wilson had died from lung cancer and was the last album he recorded before his death.  The trio first appeared together on the song "Watching The Time Go By" from Lamm's 1999 solo album "In My Head".

Beginnings (Chicago song): "Beginnings" is a song written by Robert Lamm for the rock band Chicago Transit Authority and recorded for their debut album "Chicago Transit Authority", released in 1969.  Lamm also provided lead vocals.  The song was the band's second single (after "Questions 67 and 68"), but failed to chart on its initial release.

Karen Lamm: Karen Lamm (June 21, 1952 – June 29, 2001) was an American character actress and producer.  She was known for "Thunderbolt and Lightfoot" (1974), "The Unseen" (1980) and "Trackdown" (1976).  She was married to Dennis Wilson and Robert Lamm.

Questions 67 and 68: "Questions 67 and 68" is a 1969 song written by Robert Lamm for the rock band Chicago (then known as Chicago Transit Authority) and recorded for their debut album "Chicago Transit Authority".  It was their first single release.  Lead vocals are shared by Lamm and Peter Cetera.

Robert Lamm: Robert William Lamm (born October 13, 1944) is an American keyboardist, singer and songwriter who came to fame as a founding member of the pop rock band Chicago.  He wrote many of the band's biggest hits, including "Questions 67 & 68", "Does Anybody Really Know What Time It Is? ", "Beginnings", "25 or 6 to 4", "Saturday in the Park", "Dialogue (Part I & II)" and "Harry Truman".

Parson Russell Terrier: The Parson Russell Terrier is a breed of small white terrier that was the original Fox Terrier of the 18th century.  The breed is named after the person credited with the creation of this type of dog, the Reverend John "Jack" Russell.  It is the recognised conformation show variety of the Jack Russell Terrier and was first recognised in 1990 in the United Kingdom as the Parson Jack Russell Terrier.  In America, it was first recognised as the Jack Russell Terrier in 1997.  The name was changed to its current form in 1999 in the UK and by 2008 all international kennel clubs recognised it under the new name.

Harry Truman (song): "Harry Truman" is a song written by Robert Lamm for the group Chicago and recorded for their album "Chicago VIII" (1975), with lead vocals by Lamm.  The first single released from that album, it reached number 13 on the U.S. "Billboard" Hot 100.  It also reached number 23 on the Adult Contemporary chart.  In Canada, the song peaked at number 16.

Supporting paragraphs: Robert Lamm Jack Russell (musician)
Answer: founding member