Getty Images timeline
Excerpts from:
The Seattle Times, February 25, 2008
and other online sources
1993
Jonathan Klein and Mark Getty form Getty Investments in London
1995
March: Getty buys Tony Stone Images, a London stock agency
1996
April: Buys Hulton Deutsch, private collection of archival photography
May: Buys Fabulous Footage, provider of contemporary stock footage
1997
Sept.: Merges with PhotoDisk in Seattle and changes name to Getty Images
1999
Sept.: Buys Image Bank from Kodak for $183 million
May: Pays $135 million for Art.com, a consumer site offering posters and other art.
April 2003:
Getty Images entered into a partnership with Agence France-Presse (AFP) to market each other's images.
2004
Aug.: Buys image.net for $20 million
April: Acquires Digital Vision, estimated to be the worlds third-largest stock-photography company, for $165 million
June: Launches online store on Amazon.com
2006
Feb.: Buys iStockphoto, a micropayment site, for $50 million.
April: Buys Pixel Images of Ireland for $135 million in cash
2007
February: Getty Images acquired the Michael Ochs Archives - musician photography
March: Buys Scoopt, a Scottish company that specializes in citizen photojournalism
April: Buys its largest competitor, MediaVast, for $207 million
May: Buys Punchstock, a leading aggregator/distributor of stock photography
2009: Getty Images bought Jupiterimages, for $96 million (including the sites stock.xchng and StockXpert)
2019: Getty Images introduced Market Freeze, simplifying exclusivity of rights-managed images. Later that year, it announced that due to customers' needs changing, it plans to phase out rights-managed imagery by 2020 in favor of royalty-free images
Getty now manages Corbis's physical archives (and Veer) on behalf of Visual China Group and Unity Glory.
March 2021: Getty Images acquired Unsplash, a free-to-use stock photography website.

Frank Norris would be proud to write a book about them.