Given a document, find the main entity about whom the author is writing. Write the full name if mentioned in the text. Note that URLs in the text have been replaced with [Link].

Q: After enduring one too many maddeningly slow boarding experiences  Jason Steffen a professor of physics and astronomy at the University of Nevada Las Vegas  began digging into the unexpectedly complicated mechanics of efficiently ushering passengers onto planes.
In 2008   Steffen  created a computer simulation to evaluate existing boarding methods and ultimately design what  he  claims is the most efficient option for getting restless passengers into their seats. The results were published several years ago in the Journal of Air Transport Management (summarized here).
In  his  research   Steffen  identified the two most common factors responsible for slowing the boarding process to a painful crawl:
In fact  the most routine boarding process â from back to front â is actually the slowest of them all   Steffen âs argues  Itâs even less efficient than boarding a plane in a completely random order.
 Steffen  claims that  his  proposed method  which minimizes the former issue and eliminates the latter  could significantly reduce boarding times  thus cutting down on overall door-to-door flight lengths  and ultimately saving airlines hundreds of millions of dollars a year.

A: Jason Steffen
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Q: What happens when the one and only Bill Murray recites American literature and flexes his pipes on songs from the great American songbook  backed by three accomplished classical musicians at a packed Orchestra Hall?
âNew Worlds:  Bill Murray   Jan Vogler and Friendsâ was the name of the show the famed Wilmette-raised actor and comedian  along with cellist Jan Vogler  violinist Mira Wang and pianist Vanessa Perez  brought to Symphony Center on Tuesday night as part of a national tour in support of their new Decca Gold album of the same name.
 Murray  sang a little  danced a little  cracked a couple of jokes. The inveterate Cubs fan traded his tuxedo jacket for a Cubs windbreaker at the end  prompting a roar from audience members  one of whom had draped a Wrigley victory flag over the side of the platform that was put up on stage to accommodate extra seats.
The tone shifted from light to serious and back again.  Murray  sometimes recited over musical accompaniment; sometimes  his  recitations stood on their own. One selection merged into the next in a seamless  two-hour flow of spoken word  song and instrumental music. Like all highly skilled actors   Murray  is a virtuoso of tone and timing.  His  typically laid-back manner fools no one  for thereâs always a finely honed theatrical sensibility and command of craft peeking through.
Who could resist James Fenimore Cooperâs evocation of a pristine early 19th-century American woodland (from âThe Deerslayerâ)  as recited with all due wonderment by  Murray  over a movement from a Schubert piano trio?
Or  Murray âs thoughtful rendition  half-sung  half-spoken  of âJeanie with the Light-Brown Hair â a nostalgic slice of early America I have never heard so poignantly done as here?  Murray  may not have classically trained vocal technique  but  his  baritone is pleasant and musical and absolutely true to the words and the deep emotions they convey  and that was all that mattered.
There was so much else to savor all evening long. You havenât heard âIt Ainât Necessarily Soâ until youâve heard  Murray âs sassy  jazzy transformation of that beloved Gershwin classic. Nor are you likely to forget the gutsy intensity of feeling he brought to Van Morrisonâs soul standard âWhen Will I Ever Learn to Live in God.â
After that number   Murray  flung long-stemmed roses to the fans  who were up on their feet  loudly cheering the hometown favorite. âThanks for coming â itâs nice to be home â he told them  as he  Vogler  Wang and Perez waved their goodbyes.
If this is what it takes to sell light classical music and renew interest in neglected classics of American literature to a mass concert public  maybe  Murray  and friends are on to something. Long may their team flourish.
RELATED:  Bill Murray's  new gig singing American standards: 'I am taking every show as potentially my final show' Â»
Sports Baseball Chicago Cubs Joe Maddon likes idea of  Bill Murray  playing him in David Ross movie Â»
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A: Bill Murray
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Q: The first team of women who summit Mt. Qomolangma has termed their project "Everest women 7 summits eco-action"  the first international leg of a mission to climb seven highest peaks on each of seven continents  the team informed media amid a press conference organized here in capital Kathmandu prior to their mission.
 Marking the golden jubilee anniversary of diplomatic relations between Nepal and Australia  the mission kick-starts in Australia on June 29. The team will make their way to Sydney and travel down through the south coast of New South Wales and then up to the alpine region  to climb Mt Kosciuszko/Targangil in early July. The team expects to finish the expedition by the end of 2011.
 "We will be meeting with schools  environment groups  famous climbers  environmentalists and scientists during the tour  as well as speak at several public events in Sydney  Canberra and Melbourne the team mentioned in a release.
 The team has also set their mission theme entitled "Education for Action".
women who summit Mt. Qomolangma has termed their project "Everest women 7 summits eco-action"  the first international leg of a mission to climb seven highest peaks on each of seven continents  the team informed media amid a press conference organized here in capital Kathmandu prior to their mission.

A:
Qomolangma
****