Yesterday, I asked where all the historians were on twitter. Thanks to the generosity of retweets, my message got around, and I received greetings from many – and I decided to compile a list here (including anything they posted about what they work on).

@jcmeloni Julie Meloni
@jaheppler Jason Heppler - History PhD student at the University of Nebraska-Linicoln
@jmcclurken Jeff McClurcken - My own fields are 19th C. US families, veterans, gender, mental institutions, & the digital humanities
@sfern Susan Fernsebner - historian of 19th-20th c. China, working on material culture, colonialism
@parezcoydigo Chad Black - colonial Latin Americanist, working on 18th c. Quito, Ecuador.
@history_geek Holly Tucker - early-modern history of medicine.
@glrichard Gregory Richard - legal/Southern U.S. hybrid history Ph.D. student
@lucyinglis Lucy Inglis - London from 1660 to 1836.
@twicklicious Jan Cornelius - Ancient Greece, specializations: Neolithic and Bronze, Cycladic and Mycenean mainly ... currently not more than a "hobby"
@marri Marri Lynn
@TheHistoryWoman Gaby Mahlberg
@Greeneland Julie Greene - US labor, politics, and empire, I tweet mostly on history matters and contemporary labor.
@Airminded Brett Holman - Historian of the British fear of aerial bombardment, early 20th century here.
@llmunro Lisa Munro - I'm a grad student: I study 19th c. cultural history of Guatemala
@maureenogle Mareen Ogle
@boston1775 J.L. Bell
@mercpol Nick P.
@kristenkim03 Kristen - a grad student in U.S. History.
@tanya_roth Tanya Roth - PhD candidate, US/women's history

I was already following a few historians, so here they are too:
@big_valley Susan Johnson-Roehr – architectural history
@larrycebula Larry Cebula – of Northwest History
@adevenney Andrew D. Devenney
@sepoy Manan Ahmed – of Chapati Mystery
@sharon_howard Sharon Howard – of Early Modern Notes
@publichistorian Suzanne Fischer
@hallnjean Norma Hall
@joguldi Jo Guldi
@TenuredRadical Claire Potter
@kmlawson K. M. Lawson – of Frog in a Well
@dancohen Dan Cohen
@worldhistory Russ Lewis
@digitalhumanist Dave Lester
@clioweb Jeremy Boggs
@sterflu Sterling Fluharty

Apologies if I have missed anyone out, if you want to add yourself or others please post a comment or message me on twitter @katrinagulliver

UPDATE - New additions:
@peregrinatrix Alexandra Guerson - phd candidate working on xn-jewish relations in late medieval spain
@TimHitchcock Tim Hitchcock - 18th century London, gender, sexuality, masculinity
@marcinwilkowski Marcin Wilkowski
@HouseHistorian Melanie Backe-Hansen
@quackwriter Caroline Rance - My interest is 18th & 19thC history of medicine, and I write historical novels.
@JimTurnerAZ Jim Turner - Arizona, New Spain, Reconquista, and Conquest of Mexico.

Further updates - 9/9

Still more! (plus the folks in the comments below)
@daintyballerina Early Modern drama & politics. Jacobean stage.
@conservadora Lara Kelland
@historine Anna Gesa
@WWIIToday A.T. Nelson
@foundhistory Tom Scheinfeldt
@historying Cameron Blevins

And some twittering institutions of interest to historians: