In what could have been a scene out of Downton Abbey, a former servant of onetime-billionaire Eric Greenberg testified in Manhattan federal court today that his ex-boss was a tyrant, and admitted to sending an email in which he called him an asshole.

FORBES: Servant Disses Ex-Boss In Billionaire Wine Fraud Trial

Lynn Taylor, a national workplace expert and author of Tame Your Terrible Office Tyrant, agrees.

FORBES: How to Deal With Favoritism in the Office

Lynn Taylor, a national workplace expert and author of Tame Your Terrible Office Tyrant, offers another explanation.

FORBES: What To Do When You Don't Hear Back After A Job Interview

Over 2, 000 years ago, a tyrant forbade the Israelites from practicing their religion and his forces desecrated the Holy Temple.

WHITEHOUSE: Hanukkah at the White House: A Menorah that Survived Sandy

Almost everyone experiences this at some point in their career, says Lynn Taylor, a national workplace expert and author of Tame Your Terrible Office Tyrant.

FORBES: How to Tell if You're Stuck in a Dead-End Job, And What To Do If You Are

The title of the novel comes from an old proverb, "Truth is the daughter of time", and the book directly challenges the received idea that Richard was a tyrant who murdered the Princes in the Tower.

BBC: King Richard III

At Chicago he took a demoralised orchestra that had fallen a long way since its heyday under Fritz Reiner, another musical tyrant from Budapest, and made it great again.

ECONOMIST: Saluting Solti