Possible Clues:

• Buck ___, first Black coach in Major League Baseball
• 'Welcome to Hell World' author Luke
• William ___ + Co. (brokerage)
• Stuntwoman Kitty known as 'the fastest woman in the world'
• Cathy who wrote 'Weapons of Math Destruction'
• 'Dark Matter' actress Melissa
• Buck ___, Major League Baseball's first Black coach
• 'The Soul of Baseball' subject Buck
• William ___, founder of Investor's Business Daily
• Buck ___, MLB's first Black coach