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How Strong Was Albert Hoffman Bike Ride?

by Joel WalshLast updated on March 15, 2026General Knowledge4 min read
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Albert Hofmann's "bike ride" on April 19, 1943, involved an intentional ingestion of 250 micrograms of LSD. That's a dose considered significantly strong, especially for a first-time experience.

Is Albert Hofmann still alive?

Nope, Albert Hofmann passed away on April 29, 2008.

He actually lived to be 102 years old! What a run, right? His passing really marked the end of an era for psychoactive research, leaving behind quite a complex legacy in both science and culture.

How did Albert Hoffman Discover acid?

So, Albert Hofmann discovered LSD while synthesizing lysergic acid derivatives for new medicines at Sandoz Laboratories.

He actually first created LSD-25 back in 1938, but its mind-altering effects weren't recognized until April 1943. What happened? Well, during a re-synthesis, he accidentally absorbed a tiny amount through his fingertips. This led to the world's very first recorded LSD experience, as Britannica points out.

Why is it called Bike Day?

It's called Bike Day because Albert Hofmann rode his bicycle home on April 19, 1943, after intentionally taking LSD and experiencing its effects for the first time.

How long did Albert Hofmann trip?

The original LSD-25 compound was actually set aside for five years after its initial creation. It wasn't until April 16, 1943, that Hofmann decided to reexamine it. During that re-synthesis, he accidentally absorbed a small amount through his fingertips, discovering its powerful effects. The article doesn't specify the exact duration of his first intentional trip on April 19th, but LSD's effects can typically last for several hours.

How old is Albert Hoffman?

Albert Hofmann lived to be 102 years old, born in 1906 and passing away in 2008.

Did Albert Hofmann have children?

Yes, Albert Hofmann and his wife, Anita, raised four children in Basel.

Beyond his scientific work, Hofmann actually became friends with some pretty famous folks, like Timothy Leary, Allen Ginsberg, and Aldous Huxley. (Huxley even asked his wife for an LSD injection to help him through the final stages of throat cancer in 1963, which is quite something.) He and Anita, who passed away recently, had four children together.

When was acid invented?

LSD, or lysergic acid diethylamide, was first synthesized by Albert Hofmann in 1938.

Hofmann, who was a researcher for the Swiss chemical company Sandoz at the time, developed it then. However, as we've discussed, its psychedelic effects weren't actually discovered until 1943, which is why we have 'Bicycle Day'!

When was a bicycle invented?

The first bicycle was invented in 1817 by German inventor Karl von Drais.

His machine, which he called the “swiftwalker,” made its debut that year. Interestingly, this early version didn't have any pedals; its frame was just a wooden beam. It had two wooden wheels, complete with iron rims and leather-covered tires. Pretty basic, right?

Is there a National bike Day?

Yes, there is a National Bike Day, typically observed on June 3rd each year.

Here's a quick look at recent and upcoming dates:

Year Date Day 2022 June 3 Friday 2023 June 3 Saturday 2024 June 3 Monday 2025 June 3 Tuesday

Who started bicycle day?

Albert Hofmann is credited with starting 'Bicycle Day' through his first intentional LSD trip on April 19, 1943.

It commemorates that specific date, which marked the very first recorded LSD experience.

What is Albert Hofmann known for?

Albert Hofmann is primarily known for being the first person to synthesize lysergic acid diethylamide (LSD) and, crucially, the first human to experience its mind-bending effects.

He actually suffered a heart attack at his home in Basel, Switzerland, but his scientific legacy is truly profound.

Where was Hoffman born?

Albert Hofmann was born in Baden, Switzerland.

Is Acid legal in California?

No, LSD (lysergic acid diethylamide) is not legal in California; it's classified as a Schedule 1 controlled substance.

Specifically, possessing LSD is illegal under Health and Safety Code 11377. And if you're caught with it for sale, that's also illegal under Health and Safety Code 11378. So, yeah, definitely not legal there.

Joel Walsh
Author

Known as a jack of all trades and master of none, though he prefers the term "Intellectual Tourist." He spent years dabbling in everything from 18th-century botany to the physics of toast, ensuring he has just enough knowledge to be dangerous at a dinner party but not enough to actually fix your computer.

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