What are the first names of the people behind "Agronsky and Company" and "The McLaughlin Group"?

Martin Agronsky and John McLaughlin the people behind “Agronsky and Company” (synd., 1969-87) and “The McLaughlin Group” (synd., 1982).

What is John McLaughlin's sign-off line on "The McLaughlin Group" (synd., 1982)? John McLaughlin's sign-off line on "The McLaughlin Group" was "Bye-bye."
Who were the people behind the names of the following concoctions? Gimlet. Sir T. 0. Gimlette, a British naval surgeon who…
What were the real names behind these famous pen names? Boz. Charles Dickens George Eliot. Mary Ann Evans George Orwell.…
Was the man behind the "Sherman Anti-Trust Act" related to the man behind "Sherman's March to the Sea"? Yes, the man behind the "Sherman Anti-Trust Act" was related…
What are the stage names of the following people? Alphonso D'Abruzzo. Robert Alda Gladys Greene. Jean Arthur Albert Einstein.…
What was the actual case behind An American Tragedy? An American Tragedy was a 1925 novel by Theodore Dreiser…

What are the first names of the people behind “Agronsky and Company” and “The McLaughlin Group”?