Vocation : Business : Top executive

Margaret Kampschaefer Butler (March 27, 1924 – March 8, 2013) was a mathematician who participated in creating and updating computer software. During the early 1950s, Butler contributed to the development of early computers. Butler was the first female fellow at the American Nuclear Society and director of the National Energy Software Center at Argonne. Butler held leadership positions within multiple scientific organizations and women's groups. She was the creator and director of the National Energy Software Center. Here, Butler operated an exchange for the editing of computer programs in regards to nuclear power and developed early principles for computer technology.

William F. Miller (November 19, 1925 – September 27, 2017) was an American academic who was professor public and private management emeritus and a professor of computer science emeritus. He was a vice president and provost of Stanford University from 1971 to 1979, and president and CEO of SRI International from 1979 to 1990. He died in September 2017 at the age of 91.

Gordon St. Angelo (June 20, 1927 – October 18, 2011) born in Huntingburg, Indiana, US was a former Democratic Party State Chairman of the state of Indiana and was a prominent politician during the 1950s, 1960s, and 1970s.
Gordon was born on June 20, 1927, to George and Lillian (Salat) St. Angelo in Huntingburg, Indiana. He served in the Navy at the end of World War II. He then attended North Central College, where he was active in student politics. He there met his future wife Beatrice Mae Larson, who was from Watertown, South Dakota. Gordon became active in Democratic Party politics in 1954. He was elected Dubois County Chairman in 1958. An early key supporter of then Senator John F. Kennedy, he became 8th District Chairman in 1960.
St. Angelo worked on two presidential campaigns including holding the position of National Co-chairman of Humphrey for President Committee. He was also manager of Roger Branigin's successful campaign for the governorship of Indiana in 1964. After managing the campaign of Governor Roger D. Branigan in 1964, Gordon was elected state Democratic Party Chairman, a position he held until 1974. His tenure was longer than that of any party chairman in Indiana. From 1974 to 1996, he was vice-president of Community Development for the Lilly Endowment, and during this time was a vocal proponent for the development of free market economies in North and South America.
Gordon's political reach extended beyond the state. He was Deputy Democratic Party National Chairman from June to November, 1968, when he helped manage the Hubert Humphrey presidential campaign. In 1974 Gordon left politics to become Senior Program Officer of community development at the Lilly Endowment, where he loved working for twenty three years. There he was instrumental in expanding the role of non-profits in public policy, with many positive civil- and individual-rights implications. His building of coalitions between non-profit think tanks was instrumental in the passage of the North American Free Trade Agreement. In 1973, he ran for National Democratic Party chairman, being narrowly defeated by Larry O'Brien.Gordon also served on the boards of the University of Indianapolis (1965-1993), St. Meinrad College, WFYI, the United Way, the Welfare Service League, the State Employment Commission, the Indiana Division of the National Civil Rights Commission, and the Indianapolis 500 Festival Committee. Starting with his work at the Lilly Endowment, Gordon and Beatty took special interest in historic New Harmony, Indiana which they visited often. He was appointed by Governor Evan Bayh to the New Harmony Commission and served on the board of the Robert Lee Blaffer Foundation until his death (chairman, 1995–2006). He received honorary doctorates from the University of Indianapolis and the University of Southern Indiana. He received "Sagamore of the Wabash" awards for his service to Indiana from Governors Welsh, Branigan, Whitcomb, Bowen, Orr, Bayh and Daniels.In 1996, St. Angelo helped create a foundation with Nobel Laureate Milton Friedman and his wife, Rose Friedman to promote and help establish educational choice in America. He served as President & CEO of the Milton and Rose D. Friedman Foundation for School Choice until 2009.
Though he started his career in the Democratic party, he was a supporter of many Republican candidates since the mid-seventies. For example, he endorsed Indiana Governor Mitch Daniels, a Republican, for both of his gubernatorial campaigns.
St. Angelo died on October 18, 2011, in Indianapolis, Indiana.

Charles F. Bowman (May 3, 1919 – April 8, 2009) was an American businessman who partnered with Orville Redenbacher to create a popping corn which won a third of the US market for unpopped popcorn by the mid-1970s. The corn was marketed as Orville Redenbacher's and is now owned by ConAgra Brands.
Charlie Bowman graduated from Purdue University. In 1951, Bowman and Redenbacher bought Chester, Inc., a company based in Boone Grove, Indiana, that specialized in hybrid seeds. Redenbacher's eponymous popcorn was the result of nearly twenty years of research at Chester and was launched in 1970. Bowman served as the company's president while Redenbacher drove the scientific research. Bowman retired as president in 2006 at age 87.
Bowman lived in Holland, Michigan after his retirement. He died in 2009, almost 14 years after Redenbacher's death. Bowman's survivors included his wife of 64 years, Mary, and three daughters: Judy Anthrop, June Bowman and Connie Bowman.

Geraldine Warrick-Crisman (May 22, 1930, Gary, Indiana – February 12, 2007, Scottsdale, Arizona) was a television executive.
She began her broadcasting career in the standards department of NBC's affiliate in Chicago. She became one of the first African-American executives at NBC Television in New York City, holding various positions over two decades. She was the first black president of American Women in Radio and Television. In 1981, she left NBC to become president and general manager of WNJR Radio in Union Township, Union County, New Jersey. New Jersey Gov. Thomas Kean soon appointed her assistant state treasurer.
In the 1990s, Warrick-Crisman moved to the Port Authority of New York and New Jersey, where she worked in public affairs and survived the 1993 World Trade Center explosion, which killed six people.
She retired to Scottsdale with her husband, Bruce Crisman, in 1997, and became a member of Tanner African Methodist Episcopal Church in Phoenix. She also served on the board of the New School for the Arts in Tempe.
Warrick-Crisman died on February 12, 2007, aged 76, following a 10-year battle with breast cancer, survived by two sisters, a daughter, a son and a stepdaughter. Her husband died in 1998.

Estel Wood "Ed" Kelley (1917–2003) is considered the "modern-day" founder of Steak 'n Shake, a chain of sit-down, old-fashioned style restaurants known for their Steakburgers and hand-dipped milkshakes. In 1981, E. W. Kelley & Associates, a group led by E. W. Kelley, bought controlling interest in Steak 'n Shake, and grew the company from a small chain to the more than 450 location chain it is today (2006).

Alice Dye (February 19, 1927 – February 1, 2019) was an American amateur golfer and golf course designer known as the "First Lady" of golf architecture in the United States.

Richard Sumner Cowan (January 23, 1921 – November 17, 1997) was an American botanist.

Mary Antonia "Mari" Hulman George (December 26, 1934 – November 3, 2018) was the daughter of Anton "Tony" Hulman and Mary Fendrich Hulman, prominent Indiana philanthropists and business owners. She was the chairperson of the Indianapolis Motor Speedway from 1988 to 2016, and also of Hulman & Company.