Misc: Who wanted you to "shake your groove thing"?

Questions

Dr. Thomas Bramwell Welch became the first to successfully pasteurize which beverage?

What is the name of the large screen for replays at Skydome, Home of the Toronto Blue Jays?

What is the name of the skullcap of various colours worn by Roman Catholic clergymen?

What is the first name of the title character in the Boris Pasternak novel Dr. Zhivago?

“You’re my Greatest Love’ was the theme song of the T.V. Honeymooners. Who composed the song?