Isabel Wilkerson (seen here with Dr. Thomas Henthorn) spoke with an audience of about 75 during the morning's Sullenger Dialogue.

The morning booksigning with Isabel Wilkerson.

The morning booksigning with Isabel Wilkerson.

Wilkerson's book, 'The Warmth of Other Suns."

The luncheon keynote presentation with Isabel Wilkerson.

The luncheon keynote presentation with Isabel Wilkerson.

Isabel Wilkerson (seen here with Dr. Thomas Henthorn) spoke with an audience of about 75 during the morning's Sullenger Dialogue.

The luncheon keynote presentation with Isabel Wilkerson.

The luncheon keynote presentation with Isabel Wilkerson.

Isabel Wilkerson (seen here with Dr. Thomas Henthorn) spoke with an audience of about 75 during the morning's Sullenger Dialogue.

The morning booksigning with Isabel Wilkerson.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

Wilkerson's book, 'The Warmth of Other Suns."

The morning booksigning with Isabel Wilkerson.

The morning booksigning with Isabel Wilkerson.

The morning booksigning with Isabel Wilkerson.

Dr. Ananth Aiyer of the UM-Flint Anthropology Department introduced Maude Barlow at the luncheon presentation.

The luncheon keynote presentation with Isabel Wilkerson.

A crowd of nearly 300 people gathered for Barlow's keynote luncheon presentation.

Isabel Wilkerson with UM-Flint alumnus and children's author Christopher Paul Curtis.

The morning booksigning with Isabel Wilkerson.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

The luncheon keynote presentation with Isabel Wilkerson.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

The luncheon keynote presentation with Isabel Wilkerson.

The luncheon presentation was held in the ballroom of the Northbank Center.

Maude Barlow (seen here with Dr. Ananth Aiyer of the UM-Flint Anthropology Department), spoke to a group of students, faculty, staff, and community members in an open question-and-answer session.

A crowd of nearly 300 people gathered for Barlow's keynote luncheon presentation.

Tweets using the #CIF12 hashtag were featured on a screen at the morning session.

A crowd of nearly 300 people gathered for Barlow's keynote luncheon presentation.

A crowd of nearly 300 people gathered for Barlow's keynote luncheon presentation.