The #surlystraggler was probably the first drop-bar, steel bike that takes big tires that I became aware of back in 2013.
Although big-tired, drop-bar steel bikes are ubiquitous now, the Straggler remains as the definitive steel, supple drop-bar bike at least in my mind.
This illustration is derived from @bluelug_kamiuma build of the Chlorine Dream frame from @surlybikes.