Question: What time period were people who inspired the Lyoness company trademark originally from?

Context paragraphs:
Lyoness: Since 2003, Lyoness has been the registered trademark name for a group of globally distributed (mostly privately owned, limited-liability) corporate structures, which originated in Austria.  Lyoness comprises at least seven corporations registered in Switzerland, nine corporations registered in Austria and approximately 42 additional national and regional corporations all around the globe.  The name ‘Lyoness’ was derived from the Celtic mythological kingdom ‘Lyonesse’.  "Lyconet" was introduced in 2014 as a new trademark name for the same group of corporations.

Trademark dilution: Trademark dilution is a trademark law concept giving the owner of a famous trademark standing to forbid others from using that mark in a way that would lessen its uniqueness.  In most cases, trademark dilution involves an unauthorized use of another's trademark on products that do not compete with, and have little connection with, those of the trademark owner.  For example, a famous trademark used by one company to refer to hair care products might be "diluted" if another company began using a similar mark to refer to breakfast cereals or spark plugs. Dilution is a basis of trademark infringement that only applies to famous marks.  With non-famous marks, the owner of the mark must show that the allegedly infringing use creates a likelihood of confusion as to the source of the product or service being identified by the allegedly infringing use.  With non-famous marks, it is highly unlikely a likelihood of confusion will be found if the products or services are in unrelated markets.  However, with famous marks, any use by another person of the mark has the potential for confusion, since a famous mark is so well known among the consuming public that people will assume affiliation with the owner of the mark regardless of the product or service being sold under the infringing use.

Population change: Human population change is the difference between the size of the population from the beginning to the end of a certain time period.  In other words, population change refers to change in the number of people during a specific time period.  As a whole,the world population has not been stable; it has increased manifold.  Due to this constant changing population, the subject of demographics, the statistics of how many people there are in a given population, was created.  Demography can also be defined as the study of populations, and the factors that cause the most amount of population growth or decline.  The main measurements of demography include: birth rates, death rates, sex ratios, life expectancy, and migration rates.  All of these measures are found by a series of surveys and censuses conducted over a time period in order to compare how the population is changing.  Other ways to measure population demographics include the use of historical maps, aerial photographs, and census statistics.  One of the reasons why demographers use statistics about population change is because of the social and demographic transformations that the world experiences; significant challenges for the government and businesses will take effect depending on the degree of the population change.

List of Florida hurricanes (1900–49): The list of Florida hurricanes from 1900 to 1949 encompasses 108 Atlantic tropical cyclones that affected the U.S. state of Florida.  Collectively, tropical cyclones in Florida during the time period resulted in about $4 billion (2008 USD) in damage.  Additionally, tropical cyclones in Florida were directly responsible for about 3,550 fatalities during the time period, most of which from the 1928 Okeechobee Hurricane.  The 1947 season was the year with the most tropical cyclones affecting the state, with a total of 6 systems.  The 1905, 1908, 1913, 1927, 1931, 1942, and 1943 seasons were the only years during the time period in which a storm did not affect the Floridian coasts.

Telescoping effect: In cognitive psychology, the telescoping effect (or telescoping bias) refers to the temporal displacement of an event whereby people perceive recent events as being more remote than they are and distant events as being more recent than they are.  The former is known as backward telescoping or time expansion, and the latter as is known as forward telescoping.  Three years is approximately the time frame in which events switch from being displaced backward in time to forward in time, with events occurring three years in the past being equally likely to be reported with forward telescoping bias as with backward telescoping bias.  Although telescoping occurs in both the forward and backward directions, in general the effect is to increase the number of events reported too recently.  This net effect in the forward direction is because of forces that impair memory, such as lack of salience, also impair time perception.  Telescoping leads to an over reporting of the frequency of events.  This over reporting is because participants include events beyond the period, either events that are too recent for the target time period (backward telescoping) or events that are too old for the target time period (forward telescoping).

Gongman: The Gongman (also known as the "man-with-the-gong") is a company trademark for the Rank Organisation.  It was used as the introduction to all Rank films, many of which were shot at their Pinewood Studios, and included those which Rank distributed.  The Gongman logo was first used on films distributed by General Film Distributors, which was established in 1935 by the British producer C. M. Woolf and J. Arthur Rank; it was C.M. Woolf's secretary who devised the man-with-a-gong trademark.  When the Rank Organisation was established in 1937, with General Film Distributors as one of its cornerstones, the logo was adopted for the whole organisation.

Integrating ADC: An integrating ADC is a type of analog-to-digital converter that converts an unknown input voltage into a digital representation through the use of an integrator.  In its basic implementation, the dual-slope converter, the unknown input voltage is applied to the input of the integrator and allowed to ramp for a fixed time period (the run-up period).  Then a known reference voltage of opposite polarity is applied to the integrator and is allowed to ramp until the integrator output returns to zero (the run-down period).  The input voltage is computed as a function of the reference voltage, the constant run-up time period, and the measured run-down time period.  The run-down time measurement is usually made in units of the converter's clock, so longer integration times allow for higher resolutions.  Likewise, the speed of the converter can be improved by sacrificing resolution.

List of Florida hurricanes (1950–74): The list of Florida hurricanes from 1950 to 1974 encompasses 85 Atlantic tropical or subtropical cyclones that affected the U.S. state of Florida.  Collectively, tropical cyclones in Florida during the time period resulted in about $7.04 billion (2017 USD) in damage, primarily from Hurricanes Donna and Dora.  Additionally, tropical cyclones in Florida were directly responsible for 93 fatalities during the period, as well as responsible for 23 indirect deaths.  Several tropical cyclones produced over 20 inches (500 mm) of rainfall in the state, including Hurricane Easy which is the highest total during the time period.  The 1969 season was the year with the most tropical cyclones affecting the state, with a total of 8 systems.  The 1954 and 1967 seasons were the only years during the time period in which a storm did not affect the state.

Lemp Brewery: The Lemp Brewery was a beer brewing company established in 1840 in St. Louis, Missouri that was acquired by the Griesedieck Beverage Company in 1920, which subsequently became the Falstaff Brewing Corporation.  The brewery complex property consists of 27 buildings on a 13.7 acre site in the Marine Villa neighborhood.  St. Louisian Steve DeBellis has been the owner of the Lemp Brewing Company trademark since 1988.

Celts: The Celts ( or , see pronunciation of "Celt" for different usages) were an Indo-European people in Iron Age and Medieval Europe who spoke Celtic languages and had cultural similarities, although the relationship between ethnic, linguistic and cultural factors in the Celtic world remains uncertain and controversial.  The exact geographic spread of the ancient Celts is also disputed; in particular, the ways in which the Iron Age inhabitants of Great Britain and Ireland should be regarded as Celts has become a subject of controversy.

Supporting paragraphs: Lyoness Celts
Answer: Iron Age and Medieval Europe