| How the sausage is made|
He was born Marvin Thomas Richardson in Carbon County, Wyoming. He played basketball in high school and later attended Brigham Young University on an athletic scholarship, but eventually got cut from the varsity basketball team. He later became an LDS missionary in Arizona, California and Nevada, graduating in 1967 with a degree in political science. He has since worked as an accountant, coal miner, and a salesman of irrigation equipment and Caterpillar parts.
Since 2002, he has been an organic strawberry farmer in unincorporated Letha, Idaho, northwest of Boise. He has been married twice and has 15 children.
In 2004, he legally changed his middle name to "Pro-Life", and since then, has been running for public office in every general election in Idaho. He has stated that he intends to do so until his death.
He believes that women should not work outside the home, but encouraged his wife to run for Idaho House of Representatives in 2006. She did, as a Constitution Party member, but lost to the Republican candidate 25-75.
- 2004: ran for Idaho House of Representatives as the Constitution Party candidate, but lost to the Republican candidate, 22-78.
- 2006: ran for Governor of Idaho initially as a Constitution Party candidate, but got disavowed by the party. He received 1.62% of the votes.
- 2008: ran for Larry Craig's vacant Senate seat, receiving 1.34% of the vote.
- 2010: ran for Governor again, getting 0.85% of the vote.
- 2012: ran for Idaho's 1st Congressional district, getting 2.4% of the vote.
- 2014: ran again for Governor of Idaho, getting 0.65% of the vote.
- 2016: ran again for Senate, but lost in the Constitution Party primary.
- A Short Chronology of Pro-Life’s Life. Archived from the original at prolifeidaho.com.
- Kirsten, Wife of Prolife. Archived from the original at prolifeidaho.com.
- 'Pro-Life' gets name on ballot this year. Idaho Press, 20 March 2008.
- Idaho officials, candidates weigh in on federal bailout. Idaho Press, 25 September 2008.
- Candidate profile: U.S. Rep. District 1, Pro-Life (formerly Marvin Richardson) The Coeur d'Alene Press, 27 September 2012.
- The Idaho Gubernatorial Candidate Named "Pro-Life" The Daily Beast, 31 October 2013.
- Deputize armed volunteers to protect schools, says perennial Idaho candidate Pro-Life. voices.idahostatesman.com, 27 December 2012.