Dr Cheong Koon Hean

You've photographed her work. You've never heard her name.

There's a photo on my phone I didn't even choose to take.

Marina Bay at dusk. The three towers with the boat balanced on top, the whole skyline reflected in the water. Every visitor to Singapore has some version of this shot. It's on the postcards. It's the tourism ad. It's the "I made it" LinkedIn selfie.

You've probably got the same one.

Here's what I didn't know until recently:

The person who planned that view was a woman almost nobody can name.

Her name is Dr Cheong Koon Hean. In 2004 she became the first woman to run Singapore's Urban Redevelopment Authority. Later, the first woman to run the Housing Board, which houses more than 80% of the country.

But this is the part that stays with me.

As she took the helm at URA, she led the planning of the Marina Bay precinct. The skyline in your photo. Marina Bay Sands, the promenade, the whole stretch of reclaimed sea — it all sits inside a plan she directed.

We name the buildings after the men who financed and designed them. The plan they all stand inside was drawn by her.

That's not even the remarkable part, though.

Think about the timing. SARS had just hit. The economy was frozen. In her own words: "Businesses stalled. Nobody had confidence to invest anywhere."

So she had a stretch of empty reclaimed land and no market for it. Most people would wait for the recovery.

She did the opposite.

She flew to Cannes. To Dubai. To the biggest property forums in the world, to sell skeptics a patch of water most couldn't picture. And she changed the deal itself — let developers build in phases, share the risk, not pay everything upfront. "Flexibility was critical," she said, "to assure investors that we would share the business risks."

She sold an empty sea at the worst possible moment. It worked.

By 2008 the hard sell had become an icon. The skyline in everyone's camera roll became the face of a country.

In 2016 she won the J.C. Nichols Prize, sometimes called the Nobel of urban planning. First person from Asia ever to win it.

Here's the thing about a skyline.

We remember the buildings and the billionaires who paid for them. But they sit inside a frame someone drew first — the water's edge, the sightlines, the rule that no single tower swallows the bay.

She built the frame. We photograph the picture.

Next time that view is in front of you, look up who drew the reason it looks that way.

What's something you've admired for years without ever knowing whose work it was?