It’s hard to overstate the strength of the hold Mary Tyler Moore had over the culture in the 1960s and ’70s.

A new HBO Originals documentary, “Being Mary Tyler Moore,” goes a long way to returning the late icon to her proper place in the charisma canon, cementing her rich legacy of progressive television, subversive feminism and timeless style.

Moore had two major TV roles, first as America’s sweetheart, vivacious housewife Laura Petrie on “The Dick Van Dyke Show” (1961 to ’66), then as America’s first real representation of a single career woman, Mary Richards in “The Mary Tyler The Moore Show” (1970 to ’77).

As an elementary school child of a working mom in the 1970s, I had an umbilical connection to the TV and, in particular, to the repeats of these two seminal shows. Thus it was that I burst into tears a half-dozen times watching this two-hour documentary, directed by James Adolphus. The scene that resonated with the most watched Oprah Winfrey erupted into a full-on scream upon meeting Moore: Winfrey was all of us who felt Moore’s warmth, vulnerability, charm and realness melt through the cathode ray tube and into our living rooms.

Moore’s wardrobe on