Thanks are due to my family for their bemused but patient support
during this never ending journey. The following people however deserve a special mention – I hold you all in my heart.

Dr. Gray Brechin – for your loving mentorship in all things

Maria Brower, Searls Library – for sharing some good stuff with me and the personal photograph

Lee Bruno – for your stellar encouragement, advice and friendship

Tony Bucher – for Harry’s Hunan over and over again, and the other stuff too

David Colin Carr – for your brutal [but loving] red pen

Lana Costantini – for being an instant pal and helping me hack through this history business

Hannah Cunliffe, Research the Past – for help with the exotic maritime bits http://researchthepast.com/

Dr. Myles Dungan – for welcoming me into the Hinterland empire and into your family’s life

David Gallagher, Western Neighborhoods Project/Open SF History – for your good comradeship (and making me laugh)

Susan Goldstein, San Francisco Public Library – for being a mother goddess of San Francisco historical material

Jeff Gunderson, SF Art Institute – for sharing some great stuff with me

Peter Hanff, Bancroft Library, University of California at Berkeley - for sharing your research expertise

Abigail Hamilton - for all the froyos

Rick Homan – for being an excellent mentor, patience, and eternal good humor

Deborah Hunt, Mechanics’ Institute – for always appearing fascinated when I ramble on

John Hogan, Society of California Pioneers - for giving me a good chat whenever I call

Pat Keats, Society of California Pioneers – for your warm excitement at everything I’m researching

Woody LaBounty, San Francisco Heritage – for all the stuff I said about David

Ralph Lewin – for the best introductions and rendition of Happy Birthday I’ve ever had and all the advice

John Lumea, The Emperor Norton Trust – for all the breathless gossip about our mutual [dead] friends

Geordie Lynch – for being there at the start, knowing exactly what to say to everything I pitch you, and the IPA

Bobbie Monzon, Mechanics’ Institute – for everything and all of it

Kathryn M. Neal, University Archives, University of California at Berkeley – for inviting me twice to the Bancroft Library Roundtable and all the help

Jessica Neaves, Heritage Discovered – for your outrageous laugh, bathroom tears and “oh hell no’s”

Basya Petnick – for guiding me as a new biographer – it’s a picky business

Richard Reinhardt – for telling me once how important this project was

Derek Remski – for asking me to speak publicly for the VERY FIRST TIME

Chantaal Ryane – Royal British Columbia Museum Archives – for helping me with some tricky bridge business

Robin Seeley – for your encouragement and the legal research

Jim Stimpert, John Hopkins University – for sending me a tiny but great piece of Hallidie’s past

Heather Taylor – for telling me once, “it’s because you’re a woman!” and being a badass

Strephon Taylor – for texting me while I was riding on a fake cable car and casting me in The San Francisco Cable Cars

Heather Terrell – for being one of the best office mates I ever had and all the high jinks

George Thompson, California State University at Chico – for sharing a tiny but illustrative bit of Hallidie’s private life

Vicky Walker – for mudlarking with me on the foreshore of the Thames and figuratively in the old muck of SF

Douglas Watson – for being one of my earliest friends on this journey and all the deep Scottish digging

Evelyn Watson, Royal Society of Arts – for the Silver Isis Medal

Ted Weinstein – for telling me once that I was the “presumed expert” – a novel term

David Whitehead – for all the Gold Rush Trail good times and your advice

John Woodland – author of Money Pits: British Mining Companies in the Californian and Australian Gold Rushes of the 1850s – love that book!