After his parents divorced, Jennings divided his time between staying with his father in Detroit and his mother in Georgia.

After his discharge, Jennings moved back to Detroit and met a French-Canadian woman named Nina Chauvin, whom he later married.

In the early 1960s, Jennings and Ron Wilson met Dai Vernon for the first time at a convention in Cleveland.

Knowing that Dai Vernon now lived in Hollywood, Jennings quit his job as a combustion engineer.

In Hollywood, Larry got a job working for Leo Behnke’s father in the plumbing repair business.

In 1970, a second set of notes were published for a special lecture Jennings gave at the Hollywood Roosevelt Hotel, written by his.

In this same year, Hideo Kato came to America and studied card magic with Larry.

They married and moved to Lake Tahoe, where Jennings opened up his own plumbing company, Jenco.

Also in the mid-1970s, Karl Fulves published a special two-part issue of Epilogue featuring Jennings’ magic.

In the early 1980s Jennings sold his business in Lake Tahoe and moved to Newport Beach, CA to work at the Magic Island.

Jennings later went to work for the Los Angeles Unified School District and moved to North Hollywood.

During the 1990s, Larry continued to share his magic with two new sets of lecture notes and five videotapes.

Larry continued to frequent the Magic Castle through this time, performing both formally and informally.

In 2020, Richard Kaufman wrote and published the largest book yet of Jennings's original material, the second volume in a trilogy.

Two legendary names are associated with making the chop cup popular as they were their "signature" pieces — Don Alan and Jennings.

History records that Wheatley saw Jennings perform his chop cup routine at The Magic Castle shortly after it opened in 1963.