The short answer: plastic doesn’t have a single inventor, but two names stand out—Alexander Parkes, who created one of the first man‑made plastics in the 1850s, and Leo Baekeland, who invented Bakelite, the first fully synthetic plastic, in 1907.

Who Invented Plastic? (Quick Scoop)

Early “plastic” pioneer: Alexander Parkes

When people ask who invented plastic, many historians point first to Alexander Parkes, an English inventor from Birmingham in the 19th century.

  • In 1855 he created a material called Parkesine, made from cellulose treated with chemicals. This is often called the first man‑made plastic.
  • Parkesine could be heated, molded, and then would keep its shape as it cooled, much like modern plastics.
  • It was shown publicly at the 1862 International Exhibition in London and won Parkes a bronze medal, even though it didn’t become a huge commercial success.

From a modern viewpoint, Parkes “invented plastic” in the sense of inventing an early semi‑synthetic plastic derived from natural materials.

The “first fully synthetic plastic”: Leo Baekeland

If the question is “who invented plastic as we know it today,” many scientists highlight Leo Baekeland.

  • In 1907, Baekeland, a Belgian‑born American chemist, created Bakelite, a plastic made from phenol and formaldehyde.
  • Bakelite was the first fully synthetic plastic—not just modified natural material—and it could be molded, was heat‑resistant, and electrically insulating.
  • After patenting it in 1909, Baekeland built a business around Bakelite, and it quickly spread into telephones, radios, jewelry, and many household items.

Because of this, Baekeland is often described as the person who truly launched the modern plastics industry.

Other key names in plastic’s story

Plastic didn’t appear overnight; several inventors and chemists contributed pieces of the puzzle.

  • Alexander Parkes – Created Parkesine (early celluloid‑type plastic) in the 1850s.
  • Leo Baekeland – Invented Bakelite, the first fully synthetic, mass‑produced plastic, in 1907.
  • Auguste Trillat – Worked on casein‑based plastics (galalith) by treating milk proteins with formaldehyde in the 1890s.
  • Later chemists – Helped develop PVC, polyethylene, and many other plastics that dominate today’s packaging and construction.

So “who invented plastic” depends on what you mean: first man‑made plastic (Parkes) vs. first fully synthetic plastic (Baekeland).

Simple takeaway

  • If you mean the first man‑made plastic: Alexander Parkes and his material Parkesine in the 1850s.
  • If you mean the first fully synthetic, modern‑style plastic: Leo Baekeland with Bakelite in 1907.

In everyday explanations, many sources credit Baekeland as “the man who invented plastic,” but historically Parkes came first with an early form of plastic.

TL;DR:
Plastic wasn’t invented by just one person, but Alexander Parkes (Parkesine, 1850s) and Leo Baekeland (Bakelite, 1907) are the two main figures most often credited in answer to “who invented plastic.”

Information gathered from public forums or data available on the internet and portrayed here.