In 1860, he was the chairman of the Credentials Committee at the Democratic National Convention held in Charleston, South Carolina.

In 1829, he attended Union College for one year, but had to quit due to an ailment of his eye.

[3] Krum moved to St. Louis in November 1833 and was admitted to the state bar in January 1834.

[3] Alton was incorporated in 1837 and he became the town's first mayor during which Elijah Parish Lovejoy was killed by a pro-slavery mob.

[4] In 1840, the Krums moved to St. Louis, where he was a successful lawyer, specializing in land cases.

[4] He was an active participant in creating the public school system as mayor and a member of the Board of Education for ten years.

[4] In 1860, he was the chairman of the Credentials Committee at the Democratic National Convention held in Charleston, South Carolina.