Despite this, Heil and Piskorski found that men have 15 percent more followers than women.

FORBES: The Twitter Gender Gap

And if this does not suffice, then Alan Heil's comprehensive history of America's largest publicly funded overseas broadcasting network surely provides a most comprehensive answer.

ECONOMIST: Foreign broadcasting

The children of Gerald and Barbara Heil -- an American couple from Minnesota who died in the accident -- were also among those who traveled to Italy for Sunday's ceremony.

CNN: , For

In 2009, Bill Heil, a Harvard Business School alum, and Mikolaj Jan Piskorski, a Harvard Business School professor, conducted a study that examined Twitter usage between and among the genders.

FORBES: The Twitter Gender Gap

Mike Heil, who directs the laboratory.

MSN: ��Beam me up, general!��

Firms such as American Industrial Partners (AIP), which acquired fire vehicle supplier E-One in 2008, the ambulance manufacturers Halcore and Road Rescue in 2010 and specialty trailer manufacturer Heil Trailer International in 2012, could continue ramping up their presence in that space, the banker and two other bankers suggested.

FORBES: Commercial Vehicle Manufacturers Attract Private Equity Interest