Form Follows Function vs. Form Follows Emotion: What Are You Optimizing For?

Memphis broke the functionalist rulebook in 1981. Event design has to choose between the two every time.

Form follows function and form follows emotion are not rival creeds. They are two jobs, and an event needs both in different places. This essay gives you a map of seven event zones with the default priority for each, what each zone may never give up, and three rules for when feeling may win.

Form follows function tells a designer to start with what a thing must do. Form follows emotion, a reply that spread through product design in the 1980s, says to start with how it should feel. Event designers inherit both slogans. Most pick one for the whole event, and that is the mistake. An event needs each one in different places, with safety as a floor beneath both.

Milan, 18 September 1981

On 18 September 1981 a group of designers led by Ettore Sottsass opened their first show in Milan. It was at the Arc '74 showroom on Corso Europa. They showed 55 objects. About 2,500 people came and blocked the traffic, as Stefano Casciani recalled in Domus twenty years later.

The furniture was clad in plastic laminates in clashing colors and patterns. The group chose the material partly because it looked cheap. Sottsass's Carlton bookcase became their emblem. It is a colored totem with its shelves set on the diagonal. It reads as a figure first and a bookcase second.

The group said its name came from a Bob Dylan song, "Stuck Inside of Mobile with the Memphis Blues Again". They played it over and over the night they met. Treat that as legend. The target was real. It was the functionalist rule that a good object looks like what it does and nothing more.

Form follows emotion

Hartmut Esslinger founded esslinger design in 1969, and the firm later became frog. In the 1980s he attacked high-tech products that looked like technical instruments. He argued that using them should feel emotional and sensual, as the Red Dot Design Museum records. His phrase answers Louis Sullivan's form follows function by changing one word.

He built the Snow White design language for Apple, first seen on the Apple IIc in 1984. Its aim was a computer that people wanted on the desk. Before, they had only put up with one.

Donald Norman later gave the argument a research footing. He made the case in his 2002 essay on why attractive things work better and in his 2004 book Emotional Design. Pleasure in an object, he argued, widens how people think. So they cope better with the small troubles of using it.

The question behind the slogans

Both slogans name priorities, not styles. A Memphis chair still had to hold a person. An Esslinger computer still had to compute. The useful question is narrower. It asks what a given space is optimizing for.

• Throughput: Surprise
• Safety: Awe
• Sightlines and acoustics: Intimacy
• Comfort: Belonging
• Cost: Delight

The mistake is to answer once for the whole event. A congress run only for function feels like a transit hall. A gala run only for feeling jams at the cloakroom. Most events hold both kinds of space, and each needs its own answer.

The floor, or what function never gives up

On 24 July 2010 the Love Parade was held on an old freight yard in Duisburg. Visitors reached the grounds through a tunnel and a ramp. That ramp was the main way in and out of the site. Twenty-one people died in a crowd crush there, and hundreds were hurt.

The Love Parade was never held again. Its causes belong to the official findings and major reporting, not to guesswork. The record of the Love Parade disaster sums them up.

The lesson for designers needs no guesswork. Egress, crowd density and access routes are never traded for atmosphere. They are set first and checked by people qualified to check them. Then they stay closed, and no idea reopens them to make room for a moment.

The basics of crowd safety cover density, flow and pinch points. Every plan must also pass the fire marshal's review.

The ceiling, or what emotion can do

From 16 October 2003 to 21 March 2004, Olafur Eliasson filled the Turbine Hall at Tate Modern with The weather project. Mono-frequency lamps formed a half circle at the far end of the hall. A mirrored ceiling made it a whole sun. A fine mist hung in the air. More than two million people came.

The room's function was a feeling. Its workings stayed out of the story. Nobody came to see the lamps, the mist or the frame that held the mirror. Memphis's opening night made the same point at street scale. A show of furniture moved 2,500 people onto Corso Europa.

Spectacle buys attention, not memory. So spend emotion where it will be remembered. The Cost of Eyeballs makes that case for peaks and endings.

Zone by zone

The map below sets the default priority for seven zones. It also names what each zone may never give up. Adjust it to the brief, not to taste.

• Arrival. Default priority: Function (throughput and orientation). Non-negotiables: Queue space off the public road, a step-free route, a clear first view of where to go. Where emotion goes: The first sight of the event.
• Registration and control. Default priority: Function. Non-negotiables: Capacity for the arrival peak, staff and delivery routes kept apart. Where emotion goes: A welcome that does not slow the line.
• Circulation. Default priority: Function, with emotion in wayfinding. Non-negotiables: Clear widths kept free, exits visible. Where emotion goes: Wayfinding that tells the event's story.
• Main room. Default priority: Function for a congress, emotion for a gala. Non-negotiables: Sightlines and egress for both. Where emotion goes: Light, the stage, the first view of the room.
• Social spaces. Default priority: Emotion, with acoustics as the function. Non-negotiables: Speech audible at conversation distance, enough seats. Where emotion goes: Intimacy and belonging.
• The reveal. Default priority: Emotion. Non-negotiables: Capacity held, no exit blocked by the effect. Where emotion goes: Surprise and awe.
• Exit. Default priority: Function, with a designed last moment. Non-negotiables: Egress widths, clear routes to transport. Where emotion goes: The last image people take home.

A gala room changes state through the night, from reception to dinner to party. Space planning for galas and banquets shows how to draw each state.

Three rules decide when emotion may override function.

1. Never trade a safety function. Egress, density, access and structure are fixed before any idea is discussed.
2. Trade comfort only knowingly. A dark room, a long walk or a standing dinner can be right. But first someone must name the cost and who pays it.
3. Put the emotional budget where people pause. Arrival, the reveal, the bar and the exit hold attention. Corridors that people hurry through do not.

When both win

The best rooms make their function so secure that it disappears. That leaves emotion free to work, as it did in the Turbine Hall. Function first and emotion on top is not a compromise. It is the order of work.

Safety as the floor and feeling on top is also how Monet works. It drafts a to-scale layout from your venue plan and brief, then re-runs exit clearance and crowd-flow checks after every change. That leaves your team free to spend its effort on the moments people remember.