Question: Who founded the village where the 1993 Long Island Rail Road Shooting occurred?

Context paragraphs:
New York and Atlantic Railway: The New York and Atlantic Railway (NY&A) (reporting mark NYA) is a short line railroad formed in 1997 to provide freight service over the tracks of the Long Island Rail Road, a public commuter rail agency which had decided to privatize its freight operations.  An affiliate of the Anacostia and Pacific Company, NY&A operates exclusively on Long Island, New York and is connected to the mainland via CSX's line over the Hell Gate Bridge.  It also interchanges with New York New Jersey Rail's car float at the 65th Street Yard and US Rail of New York in Yaphank, New York.  Its primary freight yard is Fresh Pond Junction in Queens.  The NY&A officially took over Long Island Rail Road's freight operations on May 11, 1997.  The initial franchise was for 20 years.

The Long Island Incident: The Long Island Incident is a 1998 NBC-TV movie produced by Barbra Streisand's Barwood Films.  The teleplay by Maria Nation is based on the 1993 Long Island Rail Road shooting.

Flushing and North Side Railroad: The Flushing and North Side Railroad is a former railroad on Long Island built by Conrad Poppenhusen as a replacement for the former New York and Flushing Railroad.  The railroad was established in 1868, was merged with the Central Railroad of Long Island in 1874 to form the Flushing, North Shore and Central Railroad, and was finally acquired by the Long Island Rail Road in 1876.  Today the main line is known as the Port Washington Branch of the Long Island Rail Road.

Long Island Rail Road: The Long Island Rail Road (reporting mark LI) , legally known as the Long Island Rail Road Company and often abbreviated as the LIRR, is a commuter rail system in the southeastern part of the U.S. state of New York, stretching from Manhattan to the eastern tip of Suffolk County on Long Island.  With an average weekday ridership of 337,800 passengers in 2014, it is the busiest commuter railroad in North America.  It is also one of the world's few commuter systems that runs 24 hours a day, 7 days a week, year-round.  It is publicly owned by the Metropolitan Transportation Authority, which refers to it as MTA Long Island Rail Road.

List of Long Island Rail Road stations: The Long Island Rail Road (LIRR) is a commuter railway system serving all four counties of Long Island, with one station in the Manhattan borough of New York City in the U.S. state of New York.  Its operator is the Metropolitan Transportation Authority of New York.  Serving 301,763 passengers per day as of 2007 and 88.5 million riders for the year of 2008, it is the busiest commuter railroad in the United States.  With 324 passenger route-miles, it spans Long Island from Atlantic Terminal in Brooklyn to Montauk station at the tip of the southern fork.  Pennsylvania Station in Manhattan is the actual westernmost station of the Long Island Rail Road and its busiest station.

Garden City (LIRR station): Garden City is one of five stations of the Long Island Rail Road that serves the Village of Garden City, New York.  It is on the Hempstead Branch and is at Seventh Street between Hilton and Cathedral Avenues, directly across the street from the Garden City Hotel.  It is one of the few Long Island Rail Road stations with two station houses.

Stony Brook (LIRR station): Stony Brook is a historic station on the Port Jefferson Branch of the Long Island Rail Road.  It is located in Stony Brook on the southeast side of New York State Route 25A, across the street from the intersection of Route 25A with Cedar Street.  On the opposite side of the tracks is the State University of New York at Stony Brook.  There is also a gated at-grade pedestrian crossing between the station and a parking lot at the University.  The station is one of only two such stations on the Long Island Rail Road to exclusively feature such crossings, the other being Westwood.  This train station is located in the Three Village Central School District.

Speonk (LIRR station): Speonk is an unmanned railroad station on the Montauk Branch of the Long Island Rail Road.  It is located on Phillips Avenue at Depot Road in Speonk, New York, just north of Montauk Highway (CR 80).  The station has two parking lots, one operated by the Long Island Rail Road, and the other operated by the Town of Southampton, both of which are free.  It also lies adjacent to one of the largest railroad yards on Long Island's East End.  This yard is mostly used to hold passenger consists, as most scheduled trains terminate at Speonk rather than continue all the way to Montauk.

Garden City, New York: Garden City is an incorporated village in the town of Hempstead, in central Nassau County, New York, in the United States.  It was founded by multi-millionaire Alexander Turney Stewart in 1869, and is on Long Island, to the east of New York City, 18.5 miles (29.8 km) from midtown Manhattan.  The village is located mostly in the Town of Hempstead with a small portion in the Town of North Hempstead.

1993 Long Island Rail Road shooting: On December 7, 1993, as a Long Island Rail Road train pulled into the Merillon Avenue station in Garden City, New York, a passenger, identified as Colin Ferguson, pulled out a Ruger P89 9mm pistol and started firing at other passengers.  He murdered six people and wounded nineteen others before being stopped by three of the passengers: Kevin Blum, Mark McEntee, and Mike O'Connor.  Ferguson's trial was notable for a number of unusual developments, including his firing of his defense counsel and insisting on representing himself and questioning his own victims on the stand.

Supporting paragraphs: 1993 Long Island Rail Road shooting Garden City, New York
Answer: Alexander Turney Stewart