In 1992 he was awarded the Priestley Medal.

The awards he obtained included the Priestley Medal in 1961.

He received the Priestley Medal in 1960.

They are the only father and son who have each won the Priestley Medal.

Among his awards are the Priestley Medal in 1982.

Among his awards were the Priestley Medal in 1952.

In 1971 he received the Priestley Medal.

He was the first chemical engineer to achieve the Priestley Medal.

He was awarded the Priestley Medal in 1957.

(A replica of the Priestley Medal is on display at the house.)