The most familiar images of Ulster County’s greatest historical heroine – the one on the 1986 postage stamp, say, or the big portrait in the lobby of the library named after her on the SUNY-New Paltz campus – have created an indelible impression in our minds of Sojourner Truth as an elderly woman. We think of someone very tall and rangy, lean and hard-muscled even in old age, of whom we can well believe the boast in her electrifying “Ain’t I a woman?” speech that when she worked in the fields, “No man could head me.”